45348202731 has 16 divisors (see below), whose sum is σ = 65119864320. Its totient is φ = 27904659360.

The previous prime is 45348202721. The next prime is 45348202759. The reversal of 45348202731 is 13720284354.

It is not a de Polignac number, because 45348202731 - 2¹⁸ = 45347940587 is a prime.

It is a super-2 number, since 2×45348202731² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 45348202731.

It is not an unprimeable number, because it can be changed into a prime (45348202721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708736 + ... + 770066.

It is an arithmetic number, because the mean of its divisors is an integer number (4069991520).

Almost surely, 2^45348202731 is an apocalyptic number.

45348202731 is a deficient number, since it is larger than the sum of its proper divisors (19771661589).

45348202731 is a wasteful number, since it uses less digits than its factorization.

45348202731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80306.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 45348202731 in words is "forty-five billion, three hundred forty-eight million, two hundred two thousand, seven hundred thirty-one".