45912569 has 4 divisors (see below), whose sum is σ = 48329040. Its totient is φ = 43496100.

The previous prime is 45912557. The next prime is 45912571. The reversal of 45912569 is 96521954.

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 45912569 - 2²⁰ = 44863993 is a prime.

It is a super-2 number, since 2×45912569² = 4215927984359522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45912589) 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, 1208207 + ... + 1208244.

It is an arithmetic number, because the mean of its divisors is an integer number (12082260).

Almost surely, 2^45912569 is an apocalyptic number.

It is an amenable number.

45912569 is a deficient number, since it is larger than the sum of its proper divisors (2416471).

45912569 is a wasteful number, since it uses less digits than its factorization.

45912569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416470.

The product of its digits is 97200, while the sum is 41.

The square root of 45912569 is about 6775.8814186790. The cubic root of 45912569 is about 358.0776362736.

The spelling of 45912569 in words is "forty-five million, nine hundred twelve thousand, five hundred sixty-nine".