45868490 has 8 divisors (see below), whose sum is σ = 82563300. Its totient is φ = 18347392.

The previous prime is 45868483. The next prime is 45868513. The reversal of 45868490 is 9486854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45738169 + 130321 = 6763^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2293415 + ... + 2293434.

Almost surely, 2^45868490 is an apocalyptic number.

45868490 is a deficient number, since it is larger than the sum of its proper divisors (36694810).

45868490 is a wasteful number, since it uses less digits than its factorization.

45868490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586856.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 45868490 is about 6772.6279980522. The cubic root of 45868490 is about 357.9630071115.

The spelling of 45868490 in words is "forty-five million, eight hundred sixty-eight thousand, four hundred ninety".