45491163 has 4 divisors (see below), whose sum is σ = 60654888. Its totient is φ = 30327440.

The previous prime is 45491161. The next prime is 45491179. The reversal of 45491163 is 36119454.

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 45491163 - 2¹ = 45491161 is a prime.

It is a super-2 number, since 2×45491163² = 4138891822185138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45491161) 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, 7581858 + ... + 7581863.

It is an arithmetic number, because the mean of its divisors is an integer number (15163722).

Almost surely, 2^45491163 is an apocalyptic number.

45491163 is a deficient number, since it is larger than the sum of its proper divisors (15163725).

45491163 is a wasteful number, since it uses less digits than its factorization.

45491163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15163724.

The product of its digits is 12960, while the sum is 33.

The square root of 45491163 is about 6744.7137077863. The cubic root of 45491163 is about 356.9787353261.

It can be divided in two parts, 45491 and 163, that added together give a palindrome (45654).

The spelling of 45491163 in words is "forty-five million, four hundred ninety-one thousand, one hundred sixty-three".