45374243220 has 54 divisors (see below), whose sum is σ = 137643873822. Its totient is φ = 12099036096.

The previous prime is 45374243177. The next prime is 45374243293. The reversal of 45374243220 is 2234247354.

45374243220 is a `hidden beast` number, since 4 + 5 + 3 + 7 + 424 + 3 + 220 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 35716464144 + 9657779076 = 188988^2 + 98274^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2849922 + ... + 2865798.

Almost surely, 2^45374243220 is an apocalyptic number.

It is an amenable number.

45374243220 is an abundant number, since it is smaller than the sum of its proper divisors (92269630602).

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

45374243220 is an equidigital number, since it uses as much as digits as its factorization.

45374243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31769 (or 15887 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

The spelling of 45374243220 in words is "forty-five billion, three hundred seventy-four million, two hundred forty-three thousand, two hundred twenty".