45513455544 has 24 divisors (see below), whose sum is σ = 123265608960. Its totient is φ = 15171151824.

The previous prime is 45513455503. The next prime is 45513455593. The reversal of 45513455544 is 44555431554.

45513455544 is a `hidden beast` number, since 4 + 5 + 51 + 3 + 4 + 55 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 45513455544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316065592 + ... + 316065735.

It is an arithmetic number, because the mean of its divisors is an integer number (5136067040).

Almost surely, 2^45513455544 is an apocalyptic number.

It is an amenable number.

45513455544 is an abundant number, since it is smaller than the sum of its proper divisors (77752153416).

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

45513455544 is a wasteful number, since it uses less digits than its factorization.

45513455544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632131339 (or 632131332 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 45.

The spelling of 45513455544 in words is "forty-five billion, five hundred thirteen million, four hundred fifty-five thousand, five hundred forty-four".