45637378242 has 16 divisors (see below), whose sum is σ = 94422162240. Its totient is φ = 14687891792.

The previous prime is 45637378217. The next prime is 45637378261. The reversal of 45637378242 is 24287373654.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131141718 + ... + 131142065.

It is an arithmetic number, because the mean of its divisors is an integer number (5901385140).

Almost surely, 2^45637378242 is an apocalyptic number.

45637378242 is an abundant number, since it is smaller than the sum of its proper divisors (48784783998).

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

45637378242 is a wasteful number, since it uses less digits than its factorization.

45637378242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262283817.

The product of its digits is 6773760, while the sum is 51.

The spelling of 45637378242 in words is "forty-five billion, six hundred thirty-seven million, three hundred seventy-eight thousand, two hundred forty-two".