45001553444 has 24 divisors (see below), whose sum is σ = 78875596800. Its totient is φ = 22465701440.

The previous prime is 45001553423. The next prime is 45001553449. The reversal of 45001553444 is 44435510054.

It is a super-2 number, since 2×45001553444² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45001553449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8521997 + ... + 8527275.

It is an arithmetic number, because the mean of its divisors is an integer number (3286483200).

Almost surely, 2^45001553444 is an apocalyptic number.

It is an amenable number.

45001553444 is a deficient number, since it is larger than the sum of its proper divisors (33874043356).

45001553444 is a wasteful number, since it uses less digits than its factorization.

45001553444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203 (or 8201 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 45001553444 in words is "forty-five billion, one million, five hundred fifty-three thousand, four hundred forty-four".