45049797512 has 16 divisors (see below), whose sum is σ = 84561513360. Its totient is φ = 22500060624.

The previous prime is 45049797511. The next prime is 45049797517. The reversal of 45049797512 is 21579794054.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45049797511) 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, 3097058 + ... + 3111569.

It is an arithmetic number, because the mean of its divisors is an integer number (5285094585).

Almost surely, 2^45049797512 is an apocalyptic number.

It is an amenable number.

45049797512 is a deficient number, since it is larger than the sum of its proper divisors (39511715848).

45049797512 is a wasteful number, since it uses less digits than its factorization.

45049797512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209540 (or 6209536 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 45049797512 in words is "forty-five billion, forty-nine million, seven hundred ninety-seven thousand, five hundred twelve".