45444540148 has 96 divisors (see below), whose sum is σ = 99471697920. Its totient is φ = 17715732480.

The previous prime is 45444540143. The next prime is 45444540149. The reversal of 45444540148 is 84104544454.

45444540148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14710188 + ... + 14713276.

It is an arithmetic number, because the mean of its divisors is an integer number (1036163520).

Almost surely, 2^45444540148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45444540148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49735848960).

45444540148 is an abundant number, since it is smaller than the sum of its proper divisors (54027157772).

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

45444540148 is a wasteful number, since it uses less digits than its factorization.

45444540148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 43.

The spelling of 45444540148 in words is "forty-five billion, four hundred forty-four million, five hundred forty thousand, one hundred forty-eight".