45415690 has 16 divisors (see below), whose sum is σ = 81873792. Its totient is φ = 18138384.

The previous prime is 45415679. The next prime is 45415703. The reversal of 45415690 is 9651454.

It is a super-2 number, since 2×45415690² = 4125169796352200, 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, 4147 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (5117112).

Almost surely, 2^45415690 is an apocalyptic number.

45415690 is a deficient number, since it is larger than the sum of its proper divisors (36458102).

45415690 is a wasteful number, since it uses less digits than its factorization.

45415690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 45415690 is about 6739.1164109251. The cubic root of 45415690 is about 356.7812085410.

The spelling of 45415690 in words is "forty-five million, four hundred fifteen thousand, six hundred ninety".