45042693 has 16 divisors (see below), whose sum is σ = 61248960. Its totient is φ = 29437056.

The previous prime is 45042677. The next prime is 45042757. The reversal of 45042693 is 39624054.

It is not a de Polignac number, because 45042693 - 2⁴ = 45042677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45042623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55273 + ... + 56081.

It is an arithmetic number, because the mean of its divisors is an integer number (3828060).

Almost surely, 2^45042693 is an apocalyptic number.

It is an amenable number.

45042693 is a deficient number, since it is larger than the sum of its proper divisors (16206267).

45042693 is a wasteful number, since it uses less digits than its factorization.

45042693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 45042693 is about 6711.3853264434. The cubic root of 45042693 is about 355.8017796698.

The spelling of 45042693 in words is "forty-five million, forty-two thousand, six hundred ninety-three".