915439245 has 16 divisors (see below), whose sum is σ = 1673946240. Its totient is φ = 418486464.

The previous prime is 915439229. The next prime is 915439277. The reversal of 915439245 is 542934519.

It is not a de Polignac number, because 915439245 - 2⁴ = 915439229 is a prime.

It is a super-2 number, since 2×915439245² = 1676058022572340050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 915439197 and 915439206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359130 + ... + 4359339.

It is an arithmetic number, because the mean of its divisors is an integer number (104621640).

Almost surely, 2^915439245 is an apocalyptic number.

It is an amenable number.

915439245 is a deficient number, since it is larger than the sum of its proper divisors (758506995).

915439245 is a wasteful number, since it uses less digits than its factorization.

915439245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718484.

The product of its digits is 194400, while the sum is 42.

The square root of 915439245 is about 30256.2265492576. The cubic root of 915439245 is about 970.9790112072.

The spelling of 915439245 in words is "nine hundred fifteen million, four hundred thirty-nine thousand, two hundred forty-five".