45815257912 has 16 divisors (see below), whose sum is σ = 85918200840. Its totient is φ = 22903737696.

The previous prime is 45815257889. The next prime is 45815257919. The reversal of 45815257912 is 21975251854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45815257919) 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, 436063 + ... + 530830.

Almost surely, 2^45815257912 is an apocalyptic number.

It is an amenable number.

45815257912 is a deficient number, since it is larger than the sum of its proper divisors (40102942928).

45815257912 is a wasteful number, since it uses less digits than its factorization.

45815257912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972822 (or 972818 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 49.

The spelling of 45815257912 in words is "forty-five billion, eight hundred fifteen million, two hundred fifty-seven thousand, nine hundred twelve".