45112421155 has 16 divisors (see below), whose sum is σ = 55515196800. Its totient is φ = 35171645440.

The previous prime is 45112421147. The next prime is 45112421171. The reversal of 45112421155 is 55112421154.

It is not a de Polignac number, because 45112421155 - 2³ = 45112421147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72006 + ... + 308884.

It is an arithmetic number, because the mean of its divisors is an integer number (3469699800).

Almost surely, 2^45112421155 is an apocalyptic number.

45112421155 is a deficient number, since it is larger than the sum of its proper divisors (10402775645).

45112421155 is a wasteful number, since it uses less digits than its factorization.

45112421155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237854.

The product of its digits is 8000, while the sum is 31.

Subtracting 45112421155 from its reverse (55112421154), we obtain a palindrome (9999999999).

The spelling of 45112421155 in words is "forty-five billion, one hundred twelve million, four hundred twenty-one thousand, one hundred fifty-five".