45444540144 has 40 divisors (see below), whose sum is σ = 117406235520. Its totient is φ = 15147168448.

The previous prime is 45444540143. The next prime is 45444540149. The reversal of 45444540144 is 44104544454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444540143) 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, 1149799 + ... + 1188665.

It is an arithmetic number, because the mean of its divisors is an integer number (2935155888).

Almost surely, 2^45444540144 is an apocalyptic number.

It is an amenable number.

45444540144 is an abundant number, since it is smaller than the sum of its proper divisors (71961695376).

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

45444540144 is a wasteful number, since it uses less digits than its factorization.

45444540144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63237 (or 63231 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 39.

The spelling of 45444540144 in words is "forty-five billion, four hundred forty-four million, five hundred forty thousand, one hundred forty-four".