45815133 has 32 divisors (see below), whose sum is σ = 75591936. Its totient is φ = 24035328.

The previous prime is 45815131. The next prime is 45815171. The reversal of 45815133 is 33151854.

It is not a de Polignac number, because 45815133 - 2¹ = 45815131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45815133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45815131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69835 + ... + 70487.

It is an arithmetic number, because the mean of its divisors is an integer number (2362248).

Almost surely, 2^45815133 is an apocalyptic number.

It is an amenable number.

45815133 is a deficient number, since it is larger than the sum of its proper divisors (29776803).

45815133 is a wasteful number, since it uses less digits than its factorization.

45815133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its digits is 7200, while the sum is 30.

The square root of 45815133 is about 6768.6876866938. The cubic root of 45815133 is about 357.8241518539.

Adding to 45815133 its reverse (33151854), we get a palindrome (78966987).

The spelling of 45815133 in words is "forty-five million, eight hundred fifteen thousand, one hundred thirty-three".