45542204731 has 4 divisors (see below), whose sum is σ = 45669063600. Its totient is φ = 45415345864.

The previous prime is 45542204683. The next prime is 45542204839. The reversal of 45542204731 is 13740224554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45542204731 is a prime.

It is a super-2 number, since 2×45542204731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45542204131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63428896 + ... + 63429613.

It is an arithmetic number, because the mean of its divisors is an integer number (11417265900).

Almost surely, 2^45542204731 is an apocalyptic number.

45542204731 is a deficient number, since it is larger than the sum of its proper divisors (126858869).

45542204731 is a wasteful number, since it uses less digits than its factorization.

45542204731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126858868.

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 45542204731 in words is "forty-five billion, five hundred forty-two million, two hundred four thousand, seven hundred thirty-one".