45538620 has 48 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 11615296.

The previous prime is 45538589. The next prime is 45538621. The reversal of 45538620 is 2683554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45538621) 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, 15120 + ... + 17879.

It is an arithmetic number, because the mean of its divisors is an integer number (2772000).

Almost surely, 2^45538620 is an apocalyptic number.

It is an amenable number.

45538620 is an abundant number, since it is smaller than the sum of its proper divisors (87517380).

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

45538620 is a wasteful number, since it uses less digits than its factorization.

45538620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33034 (or 33032 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 45538620 is about 6748.2308792750. The cubic root of 45538620 is about 357.1028272087.

The spelling of 45538620 in words is "forty-five million, five hundred thirty-eight thousand, six hundred twenty".