45503164 has 36 divisors (see below), whose sum is σ = 95632320. Its totient is φ = 18869760.

The previous prime is 45503149. The next prime is 45503167. The reversal of 45503164 is 46130554.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45503167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2332 + ... + 9820.

Almost surely, 2^45503164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45503164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47816160).

45503164 is an abundant number, since it is smaller than the sum of its proper divisors (50129156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45503164 is a wasteful number, since it uses less digits than its factorization.

45503164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45503164 is about 6745.6033088227. The cubic root of 45503164 is about 357.0101240241.

The spelling of 45503164 in words is "forty-five million, five hundred three thousand, one hundred sixty-four".