45369520 has 40 divisors (see below), whose sum is σ = 120554784. Its totient is φ = 15555072.

The previous prime is 45369491. The next prime is 45369539. The reversal of 45369520 is 2596354.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39949 + ... + 41068.

Almost surely, 2^45369520 is an apocalyptic number.

45369520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45369520 is an abundant number, since it is smaller than the sum of its proper divisors (75185264).

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

45369520 is a wasteful number, since it uses less digits than its factorization.

45369520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81037 (or 81031 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 45369520 is about 6735.6900166204. The cubic root of 45369520 is about 356.6602652164.

The spelling of 45369520 in words is "forty-five million, three hundred sixty-nine thousand, five hundred twenty".