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145857182 = 2293767967
BaseRepresentation
bin10001011000110…
…01101010011110
3101011110022102212
420230121222132
5244314412212
622250120422
73420523412
oct1054315236
9334408385
10145857182
1175372729
1240a20112
13242ab333
141552ad42
15cc11e22
hex8b19a9e

145857182 has 16 divisors (see below), whose sum is σ = 232450560. Its totient is φ = 68509728.

The previous prime is 145857181. The next prime is 145857193. The reversal of 145857182 is 281758541.

145857182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1458571822 = 42548635081962248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145857181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31838 + ... + 36129.

It is an arithmetic number, because the mean of its divisors is an integer number (14528160).

Almost surely, 2145857182 is an apocalyptic number.

145857182 is a deficient number, since it is larger than the sum of its proper divisors (86593378).

145857182 is a wasteful number, since it uses less digits than its factorization.

145857182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68035.

The product of its digits is 89600, while the sum is 41.

The square root of 145857182 is about 12077.1346767352. The cubic root of 145857182 is about 526.3919909559.

The spelling of 145857182 in words is "one hundred forty-five million, eight hundred fifty-seven thousand, one hundred eighty-two".

Divisors: 1 2 29 37 58 74 1073 2146 67967 135934 1971043 2514779 3942086 5029558 72928591 145857182