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145577690368 = 2811231151603
BaseRepresentation
bin1000011110010100011…
…0110100010100000000
3111220202120002220111221
42013211012310110000
54341120342042433
6150513311044424
713342356644155
oct2074506642400
9456676086457
10145577690368
11568148a1500
1224269810714
13109603079b6
14709030a22c
153bc073a72d
hex21e51b4500

145577690368 has 108 divisors (see below), whose sum is σ = 329710804864. Its totient is φ = 64036684800.

The previous prime is 145577690351. The next prime is 145577690381. The reversal of 145577690368 is 863096775541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884455 + ... + 1036057.

Almost surely, 2145577690368 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 145577690368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164855402432).

145577690368 is an abundant number, since it is smaller than the sum of its proper divisors (184133114496).

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

145577690368 is a wasteful number, since it uses less digits than its factorization.

145577690368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151672 (or 151647 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 145577690368 in words is "one hundred forty-five billion, five hundred seventy-seven million, six hundred ninety thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 31 32 44 62 64 88 121 124 128 176 242 248 256 341 352 484 496 682 704 968 992 1364 1408 1936 1984 2728 2816 3751 3872 3968 5456 7502 7744 7936 10912 15004 15488 21824 30008 30976 43648 60016 87296 120032 151603 240064 303206 480128 606412 960256 1212824 1667633 2425648 3335266 4699693 4851296 6670532 9399386 9702592 13341064 18343963 18798772 19405184 26682128 36687926 37597544 38810368 51696623 53364256 73375852 75195088 103393246 106728512 146751704 150390176 206786492 213457024 293503408 300780352 413572984 426914048 568662853 587006816 601560704 827145968 1137325706 1174013632 1203121408 1654291936 2274651412 2348027264 3308583872 4549302824 4696054528 6617167744 9098605648 13234335488 18197211296 36394422592 72788845184 145577690368