45610639 has 4 divisors (see below), whose sum is σ = 45728280. Its totient is φ = 45493000.

The previous prime is 45610637. The next prime is 45610651. The reversal of 45610639 is 93601654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45610639 - 2¹ = 45610637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45610637) 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, 58237 + ... + 59014.

It is an arithmetic number, because the mean of its divisors is an integer number (11432070).

Almost surely, 2^45610639 is an apocalyptic number.

45610639 is a deficient number, since it is larger than the sum of its proper divisors (117641).

45610639 is a wasteful number, since it uses less digits than its factorization.

45610639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117640.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 45610639 is about 6753.5649104751. The cubic root of 45610639 is about 357.2909799071.

The spelling of 45610639 in words is "forty-five million, six hundred ten thousand, six hundred thirty-nine".