45315901806 has 32 divisors (see below), whose sum is σ = 104043706368. Its totient is φ = 12889337760.

The previous prime is 45315901793. The next prime is 45315901831. The reversal of 45315901806 is 60810951354.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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, 2409805 + ... + 2428536.

It is an arithmetic number, because the mean of its divisors is an integer number (3251365824).

Almost surely, 2^45315901806 is an apocalyptic number.

45315901806 is an abundant number, since it is smaller than the sum of its proper divisors (58727804562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45315901806 is a wasteful number, since it uses less digits than its factorization.

45315901806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838576.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 45315901806 in words is "forty-five billion, three hundred fifteen million, nine hundred one thousand, eight hundred six".