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145797032 = 23172193319
BaseRepresentation
bin10001011000010…
…10111110101000
3101011100020221002
420230022332220
5244311001112
622244534132
73420153143
oct1054127650
9334306832
10145797032
1175331517
12409b1348
1324289b44
141551305a
15cbee1c2
hex8b0afa8

145797032 has 48 divisors (see below), whose sum is σ = 305772000. Its totient is φ = 64979712.

The previous prime is 145797031. The next prime is 145797073. The reversal of 145797032 is 230797541.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (145797031) 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 11 ways as a sum of consecutive naturals, for example, 42269 + ... + 45587.

It is an arithmetic number, because the mean of its divisors is an integer number (6370250).

Almost surely, 2145797032 is an apocalyptic number.

It is an amenable number.

145797032 is an abundant number, since it is smaller than the sum of its proper divisors (159974968).

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

145797032 is a wasteful number, since it uses less digits than its factorization.

145797032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 145797032 is about 12074.6441769520. The cubic root of 145797032 is about 526.3196214612.

It can be divided in two parts, 1457 and 97032, that added together give a palindrome (98489).

The spelling of 145797032 in words is "one hundred forty-five million, seven hundred ninety-seven thousand, thirty-two".

Divisors: 1 2 4 8 17 19 34 38 68 76 136 152 289 323 578 646 1156 1292 2312 2584 3319 5491 6638 10982 13276 21964 26552 43928 56423 63061 112846 126122 225692 252244 451384 504488 959191 1072037 1918382 2144074 3836764 4288148 7673528 8576296 18224629 36449258 72898516 145797032