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145059552 = 25331115263
BaseRepresentation
bin10001010010101…
…10111011100000
3101002221210022000
420221112323200
5244113401202
622221044000
73410662101
oct1051267340
9332853260
10145059552
1174978430
12406b6600
132408c271
14153a03a8
15cb0591c
hex8a56ee0

145059552 has 96 divisors (see below), whose sum is σ = 461583360. Its totient is φ = 43954560.

The previous prime is 145059529. The next prime is 145059553. The reversal of 145059552 is 255950541.

145059552 is a `hidden beast` number, since 1 + 4 + 50 + 59 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145059553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (4808160).

Almost surely, 2145059552 is an apocalyptic number.

145059552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145059552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230791680).

145059552 is an abundant number, since it is smaller than the sum of its proper divisors (316523808).

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

145059552 is a wasteful number, since it uses less digits than its factorization.

145059552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293 (or 15279 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 145059552 is about 12044.0670871596. The cubic root of 145059552 is about 525.4306996271.

The spelling of 145059552 in words is "one hundred forty-five million, fifty-nine thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 88 96 99 108 132 144 176 198 216 264 288 297 352 396 432 528 594 792 864 1056 1188 1584 2376 3168 4752 9504 15263 30526 45789 61052 91578 122104 137367 167893 183156 244208 274734 335786 366312 412101 488416 503679 549468 671572 732624 824202 1007358 1098936 1343144 1465248 1511037 1648404 2014716 2197872 2686288 3022074 3296808 4029432 4395744 4533111 5372576 6044148 6593616 8058864 9066222 12088296 13187232 16117728 18132444 24176592 36264888 48353184 72529776 145059552