45512369 has 8 divisors (see below), whose sum is σ = 52068480. Its totient is φ = 38969856.

The previous prime is 45512351. The next prime is 45512393. The reversal of 45512369 is 96321554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45512369 - 2⁸ = 45512113 is a prime.

It is a super-2 number, since 2×45512369² = 4142751463984322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5252 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (6508560).

Almost surely, 2^45512369 is an apocalyptic number.

It is an amenable number.

45512369 is a deficient number, since it is larger than the sum of its proper divisors (6556111).

45512369 is a wasteful number, since it uses less digits than its factorization.

45512369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799.

The product of its digits is 32400, while the sum is 35.

The square root of 45512369 is about 6746.2855705936. The cubic root of 45512369 is about 357.0341960250.

The spelling of 45512369 in words is "forty-five million, five hundred twelve thousand, three hundred sixty-nine".