204515148 has 24 divisors (see below), whose sum is σ = 480639040. Its totient is φ = 67680720.

The previous prime is 204515137. The next prime is 204515159. The reversal of 204515148 is 841515402.

It is an interprime number because it is at equal distance from previous prime (204515137) and next prime (204515159).

It is a super-2 number, since 2×204515148² = 83652891522923808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59638 + ... + 62973.

Almost surely, 2^204515148 is an apocalyptic number.

It is an amenable number.

204515148 is an abundant number, since it is smaller than the sum of its proper divisors (276123892).

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

204515148 is a wasteful number, since it uses less digits than its factorization.

204515148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122757 (or 122755 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 204515148 is about 14300.8792736671. The cubic root of 204515148 is about 589.1716307596.

The spelling of 204515148 in words is "two hundred four million, five hundred fifteen thousand, one hundred forty-eight".