945117904 has 20 divisors (see below), whose sum is σ = 1831896640. Its totient is φ = 472370400.

The previous prime is 945117853. The next prime is 945117913. The reversal of 945117904 is 409711549.

It is a super-2 number, since 2×945117904² = 1786495704922706432, which contains 22 as substring.

It is a congruent number.

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, 35257 + ... + 55975.

It is an arithmetic number, because the mean of its divisors is an integer number (91594832).

Almost surely, 2^945117904 is an apocalyptic number.

It is an amenable number.

945117904 is a deficient number, since it is larger than the sum of its proper divisors (886778736).

945117904 is a wasteful number, since it uses less digits than its factorization.

945117904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23578 (or 23572 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 945117904 is about 30742.7699467696. The cubic root of 945117904 is about 981.3607031903.

The spelling of 945117904 in words is "nine hundred forty-five million, one hundred seventeen thousand, nine hundred four".