45477544 has 32 divisors (see below), whose sum is σ = 97672320. Its totient is φ = 19446336.

The previous prime is 45477503. The next prime is 45477547. The reversal of 45477544 is 44577454.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45477497 and 45477506.

It is not an unprimeable number, because it can be changed into a prime (45477547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41062 + ... + 42154.

It is an arithmetic number, because the mean of its divisors is an integer number (3052260).

Almost surely, 2^45477544 is an apocalyptic number.

It is an amenable number.

45477544 is an abundant number, since it is smaller than the sum of its proper divisors (52194776).

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

45477544 is a wasteful number, since it uses less digits than its factorization.

45477544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1845 counting only the distinct ones).

The product of its digits is 313600, while the sum is 40.

The square root of 45477544 is about 6743.7040267200. The cubic root of 45477544 is about 356.9431080502.

The spelling of 45477544 in words is "forty-five million, four hundred seventy-seven thousand, five hundred forty-four".