45617642 has 16 divisors (see below), whose sum is σ = 79304832. Its totient is φ = 19274640.

The previous prime is 45617623. The next prime is 45617653. The reversal of 45617642 is 24671654.

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, 21953 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (4956552).

Almost surely, 2^45617642 is an apocalyptic number.

45617642 is a deficient number, since it is larger than the sum of its proper divisors (33687190).

45617642 is a wasteful number, since it uses less digits than its factorization.

45617642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45973.

The product of its digits is 40320, while the sum is 35.

The square root of 45617642 is about 6754.0833574957. The cubic root of 45617642 is about 357.3092649735.

The spelling of 45617642 in words is "forty-five million, six hundred seventeen thousand, six hundred forty-two".