45206375731 has 12 divisors (see below), whose sum is σ = 51850075536. Its totient is φ = 39309889520.

The previous prime is 45206375729. The next prime is 45206375749. The reversal of 45206375731 is 13757360254.

It is not a de Polignac number, because 45206375731 - 2¹ = 45206375729 is a prime.

It is a super-2 number, since 2×45206375731² (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 (45206376731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8119096 + ... + 8124661.

It is an arithmetic number, because the mean of its divisors is an integer number (4320839628).

Almost surely, 2^45206375731 is an apocalyptic number.

45206375731 is a deficient number, since it is larger than the sum of its proper divisors (6643699805).

45206375731 is a wasteful number, since it uses less digits than its factorization.

45206375731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16243802 (or 16243791 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 45206375731 in words is "forty-five billion, two hundred six million, three hundred seventy-five thousand, seven hundred thirty-one".