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145892 = 2236473
BaseRepresentation
bin100011100111100100
321102010102
4203213210
514132032
63043232
71145225
oct434744
9242112
10145892
119a67a
1270518
1351536
143b24c
152d362
hex239e4

145892 has 6 divisors (see below), whose sum is σ = 255318. Its totient is φ = 72944.

The previous prime is 145879. The next prime is 145897. The reversal of 145892 is 298541.

145892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 27556 = 344^2 + 166^2 .

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145892.

It is not an unprimeable number, because it can be changed into a prime (145897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18233 + ... + 18240.

It is an arithmetic number, because the mean of its divisors is an integer number (42553).

2145892 is an apocalyptic number.

It is an amenable number.

145892 is a deficient number, since it is larger than the sum of its proper divisors (109426).

145892 is a wasteful number, since it uses less digits than its factorization.

145892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36477 (or 36475 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 145892 is about 381.9581128867. The cubic root of 145892 is about 52.6433873154.

The spelling of 145892 in words is "one hundred forty-five thousand, eight hundred ninety-two".

Divisors: 1 2 4 36473 72946 145892