45144607755 has 32 divisors (see below), whose sum is σ = 77807390976. Its totient is φ = 22219392384.

The previous prime is 45144607747. The next prime is 45144607793. The reversal of 45144607755 is 55770644154.

It is not a de Polignac number, because 45144607755 - 2³ = 45144607747 is a prime.

It is a super-2 number, since 2×45144607755² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 800104 + ... + 854666.

It is an arithmetic number, because the mean of its divisors is an integer number (2431480968).

Almost surely, 2^45144607755 is an apocalyptic number.

45144607755 is a deficient number, since it is larger than the sum of its proper divisors (32662783221).

45144607755 is a wasteful number, since it uses less digits than its factorization.

45144607755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58827.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 45144607755 in words is "forty-five billion, one hundred forty-four million, six hundred seven thousand, seven hundred fifty-five".