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145853756 = 22169721487
BaseRepresentation
bin10001011000110…
…00110100111100
3101011110010201222
420230120310330
5244314310011
622250052512
73420510416
oct1054306474
9334403658
10145853756
11753700a4
1240a1a138
13242a98c9
14155299b6
15cc10ddb
hex8b18d3c

145853756 has 12 divisors (see below), whose sum is σ = 255406368. Its totient is φ = 72880512.

The previous prime is 145853711. The next prime is 145853779. The reversal of 145853756 is 657358541.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3956 + ... + 17531.

It is an arithmetic number, because the mean of its divisors is an integer number (21283864).

Almost surely, 2145853756 is an apocalyptic number.

It is an amenable number.

145853756 is a deficient number, since it is larger than the sum of its proper divisors (109552612).

145853756 is a wasteful number, since it uses less digits than its factorization.

145853756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23188 (or 23186 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 145853756 is about 12076.9928376231. The cubic root of 145853756 is about 526.3878694972.

The spelling of 145853756 in words is "one hundred forty-five million, eight hundred fifty-three thousand, seven hundred fifty-six".

Divisors: 1 2 4 1697 3394 6788 21487 42974 85948 36463439 72926878 145853756