145125892 has 12 divisors (see below), whose sum is σ = 256824540. Its totient is φ = 71747456.

The previous prime is 145125887. The next prime is 145125901. The reversal of 145125892 is 298521541.

It can be written as a sum of positive squares in 2 ways, for example, as 52504516 + 92621376 = 7246^2 + 9624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203473 + ... + 204184.

It is an arithmetic number, because the mean of its divisors is an integer number (21402045).

Almost surely, 2^145125892 is an apocalyptic number.

It is an amenable number.

145125892 is a deficient number, since it is larger than the sum of its proper divisors (111698648).

145125892 is a wasteful number, since it uses less digits than its factorization.

145125892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407750 (or 407748 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 145125892 is about 12046.8208254294. The cubic root of 145125892 is about 525.5107857246.

The spelling of 145125892 in words is "one hundred forty-five million, one hundred twenty-five thousand, eight hundred ninety-two".