45377525 has 6 divisors (see below), whose sum is σ = 56268162. Its totient is φ = 36302000.

The previous prime is 45377509. The next prime is 45377531. The reversal of 45377525 is 52577354.

It can be written as a sum of positive squares in 3 ways, for example, as 6265009 + 39112516 = 2503^2 + 6254^2 .

It is not a de Polignac number, because 45377525 - 2⁴ = 45377509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 907526 + ... + 907575.

It is an arithmetic number, because the mean of its divisors is an integer number (9378027).

Almost surely, 2^45377525 is an apocalyptic number.

It is an amenable number.

45377525 is a deficient number, since it is larger than the sum of its proper divisors (10890637).

45377525 is a wasteful number, since it uses less digits than its factorization.

45377525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815111 (or 1815106 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 45377525 is about 6736.2842131252. The cubic root of 45377525 is about 356.6812403668.

The spelling of 45377525 in words is "forty-five million, three hundred seventy-seven thousand, five hundred twenty-five".