45649256 has 16 divisors (see below), whose sum is σ = 85951140. Its totient is φ = 22728960.

The previous prime is 45649249. The next prime is 45649259. The reversal of 45649256 is 65294654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45346756 + 302500 = 6734^2 + 550^2 .

It is not an unprimeable number, because it can be changed into a prime (45649259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9911 + ... + 13766.

Almost surely, 2^45649256 is an apocalyptic number.

It is an amenable number.

45649256 is a deficient number, since it is larger than the sum of its proper divisors (40301884).

45649256 is a wasteful number, since it uses less digits than its factorization.

45649256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23924 (or 23920 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 45649256 is about 6756.4233141508. The cubic root of 45649256 is about 357.3917868967.

The spelling of 45649256 in words is "forty-five million, six hundred forty-nine thousand, two hundred fifty-six".