45443012553 has 64 divisors (see below), whose sum is σ = 69068800000. Its totient is φ = 29522750400.

The previous prime is 45443012551. The next prime is 45443012581. The reversal of 45443012553 is 35521034454.

45443012553 is a `hidden beast` number, since 4 + 54 + 43 + 0 + 12 + 553 = 666.

It is not a de Polignac number, because 45443012553 - 2¹ = 45443012551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45443012551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64094163 + ... + 64094871.

It is an arithmetic number, because the mean of its divisors is an integer number (1079200000).

Almost surely, 2^45443012553 is an apocalyptic number.

It is an amenable number.

45443012553 is a deficient number, since it is larger than the sum of its proper divisors (23625787447).

45443012553 is a wasteful number, since it uses less digits than its factorization.

45443012553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 45443012553 in words is "forty-five billion, four hundred forty-three million, twelve thousand, five hundred fifty-three".