45121163 has 4 divisors (see below), whose sum is σ = 45250800. Its totient is φ = 44991528.

The previous prime is 45121159. The next prime is 45121169. The reversal of 45121163 is 36112154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45121163 - 2² = 45121159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45121169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64295 + ... + 64992.

It is an arithmetic number, because the mean of its divisors is an integer number (11312700).

Almost surely, 2^45121163 is an apocalyptic number.

45121163 is a deficient number, since it is larger than the sum of its proper divisors (129637).

45121163 is a wasteful number, since it uses less digits than its factorization.

45121163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129636.

The product of its digits is 720, while the sum is 23.

The square root of 45121163 is about 6717.2288184935. The cubic root of 45121163 is about 356.0082768559.

Subtracting from 45121163 its reverse (36112154), we obtain a palindrome (9009009).

The spelling of 45121163 in words is "forty-five million, one hundred twenty-one thousand, one hundred sixty-three".