45311938722 has 54 divisors (see below), whose sum is σ = 99190002171. Its totient is φ = 14949547080.

The previous prime is 45311938709. The next prime is 45311938747. The reversal of 45311938722 is 22783911354.

It is a happy number.

45311938722 is a `hidden beast` number, since 4 + 531 + 1 + 93 + 8 + 7 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22655969361 + 22655969361 = 150519^2 + 150519^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=150519.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 118307743 + ... + 118308125.

Almost surely, 2^45311938722 is an apocalyptic number.

45311938722 is an abundant number, since it is smaller than the sum of its proper divisors (53878063449).

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

45311938722 is an equidigital number, since it uses as much as digits as its factorization.

45311938722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 519 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 45311938722 in words is "forty-five billion, three hundred eleven million, nine hundred thirty-eight thousand, seven hundred twenty-two".