45037013 has 16 divisors (see below), whose sum is σ = 53913600. Its totient is φ = 36784176.

The previous prime is 45037009. The next prime is 45037021. The reversal of 45037013 is 31073054.

It is a happy number.

It is not a de Polignac number, because 45037013 - 2² = 45037009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45037013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45037033) 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, 74888 + ... + 75486.

It is an arithmetic number, because the mean of its divisors is an integer number (3369600).

Almost surely, 2^45037013 is an apocalyptic number.

It is an amenable number.

45037013 is a deficient number, since it is larger than the sum of its proper divisors (8876587).

45037013 is a wasteful number, since it uses less digits than its factorization.

45037013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 45037013 is about 6710.9621515845. The cubic root of 45037013 is about 355.7868231997.

The spelling of 45037013 in words is "forty-five million, thirty-seven thousand, thirteen".