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145413450624 = 27313193150929
BaseRepresentation
bin1000011101101101010…
…0010010101110000000
3111220100010001122221110
42013123110102232000
54340301320404444
6150445122523320
713335323636121
oct2073324225600
9456303048843
10145413450624
1156740113782
1224222806540
1310935291510
147076596048
153bb10e6cb9
hex21db512b80

145413450624 has 128 divisors (see below), whose sum is σ = 418124397600. Its totient is φ = 44510478336.

The previous prime is 145413450569. The next prime is 145413450629. The reversal of 145413450624 is 426054314541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×1454134506243 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145413450629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887992 + ... + 1038920.

Almost surely, 2145413450624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145413450624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209062198800).

145413450624 is an abundant number, since it is smaller than the sum of its proper divisors (272710946976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145413450624 is a wasteful number, since it uses less digits than its factorization.

145413450624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151152 (or 151140 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 145413450624 in words is "one hundred forty-five billion, four hundred thirteen million, four hundred fifty thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 193 208 312 384 386 416 579 624 772 832 1158 1248 1544 1664 2316 2496 2509 3088 4632 4992 5018 6176 7527 9264 10036 12352 15054 18528 20072 24704 30108 37056 40144 60216 74112 80288 120432 150929 160576 240864 301858 321152 452787 481728 603716 905574 963456 1207432 1811148 1962077 2414864 3622296 3924154 4829728 5886231 7244592 7848308 9659456 11772462 14489184 15696616 19318912 23544924 28978368 29129297 31393232 47089848 57956736 58258594 62786464 87387891 94179696 116517188 125572928 174775782 188359392 233034376 251145856 349551564 376718784 378680861 466068752 699103128 753437568 757361722 932137504 1136042583 1398206256 1514723444 1864275008 2272085166 2796412512 3029446888 3728550016 4544170332 5592825024 6058893776 9088340664 11185650048 12117787552 18176681328 24235575104 36353362656 48471150208 72706725312 145413450624