45815460 has 48 divisors (see below), whose sum is σ = 135038400. Its totient is φ = 11574144.

The previous prime is 45815449. The next prime is 45815461. The reversal of 45815460 is 6451854.

45815460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45815461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18955 + ... + 21234.

It is an arithmetic number, because the mean of its divisors is an integer number (2813300).

Almost surely, 2^45815460 is an apocalyptic number.

It is an amenable number.

45815460 is an abundant number, since it is smaller than the sum of its proper divisors (89222940).

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

45815460 is a wasteful number, since it uses less digits than its factorization.

45815460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40220 (or 40218 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 45815460 is about 6768.7118419977. The cubic root of 45815460 is about 357.8250031608.

The spelling of 45815460 in words is "forty-five million, eight hundred fifteen thousand, four hundred sixty".