45512133 has 4 divisors (see below), whose sum is σ = 60682848. Its totient is φ = 30341420.

The previous prime is 45512113. The next prime is 45512171. The reversal of 45512133 is 33121554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45512133 - 2⁸ = 45511877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512113) 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, 7585353 + ... + 7585358.

It is an arithmetic number, because the mean of its divisors is an integer number (15170712).

Almost surely, 2^45512133 is an apocalyptic number.

It is an amenable number.

45512133 is a deficient number, since it is larger than the sum of its proper divisors (15170715).

45512133 is a wasteful number, since it uses less digits than its factorization.

45512133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170714.

The product of its digits is 1800, while the sum is 24.

The square root of 45512133 is about 6746.2680794644. The cubic root of 45512133 is about 357.0335789018.

Adding to 45512133 its reverse (33121554), we get a palindrome (78633687).

The spelling of 45512133 in words is "forty-five million, five hundred twelve thousand, one hundred thirty-three".