45420787915 has 16 divisors (see below), whose sum is σ = 57909841920. Its totient is φ = 34102447200.

The previous prime is 45420787913. The next prime is 45420787927. The reversal of 45420787915 is 51978702454.

It is not a de Polignac number, because 45420787915 - 2¹ = 45420787913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45420787913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224011 + ... + 2244340.

It is an arithmetic number, because the mean of its divisors is an integer number (3619365120).

Almost surely, 2^45420787915 is an apocalyptic number.

45420787915 is a deficient number, since it is larger than the sum of its proper divisors (12489054005).

45420787915 is a wasteful number, since it uses less digits than its factorization.

45420787915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468482.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 45420787915 in words is "forty-five billion, four hundred twenty million, seven hundred eighty-seven thousand, nine hundred fifteen".