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145644108 = 223127227421
BaseRepresentation
bin10001010111001…
…01101001001100
3101011001111011020
420223211221030
5244241102413
622241354140
73415645251
oct1053455114
9334044136
10145644108
1175237635
1240938950
132423535c
14154b3428
15cbbdc23
hex8ae5a4c

145644108 has 48 divisors (see below), whose sum is σ = 344838144. Its totient is φ = 47839680.

The previous prime is 145644077. The next prime is 145644113. The reversal of 145644108 is 801446541.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 345738 + ... + 346158.

It is an arithmetic number, because the mean of its divisors is an integer number (7184128).

Almost surely, 2145644108 is an apocalyptic number.

It is an amenable number.

145644108 is an abundant number, since it is smaller than the sum of its proper divisors (199194036).

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

145644108 is a wasteful number, since it uses less digits than its factorization.

145644108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 145644108 is about 12068.3100722512. The cubic root of 145644108 is about 526.1355412196.

The spelling of 145644108 in words is "one hundred forty-five million, six hundred forty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 127 227 254 381 421 454 508 681 762 842 908 1263 1362 1524 1684 2526 2724 5052 28829 53467 57658 86487 95567 106934 115316 160401 172974 191134 213868 286701 320802 345948 382268 573402 641604 1146804 12137009 24274018 36411027 48548036 72822054 145644108