45440144155 has 16 divisors (see below), whose sum is σ = 62322853824. Its totient is φ = 31156485120.

The previous prime is 45440144137. The next prime is 45440144171. The reversal of 45440144155 is 55144104454.

It is not a de Polignac number, because 45440144155 - 2¹¹ = 45440142107 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 470835 + ... + 559075.

It is an arithmetic number, because the mean of its divisors is an integer number (3895178364).

Almost surely, 2^45440144155 is an apocalyptic number.

45440144155 is a deficient number, since it is larger than the sum of its proper divisors (16882709669).

45440144155 is a wasteful number, since it uses less digits than its factorization.

45440144155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102966.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 45440144155 in words is "forty-five billion, four hundred forty million, one hundred forty-four thousand, one hundred fifty-five".