45508669 has 4 divisors (see below), whose sum is σ = 45781344. Its totient is φ = 45235996.

The previous prime is 45508601. The next prime is 45508693. The reversal of 45508669 is 96680554.

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 45508669 - 2⁹ = 45508157 is a prime.

It is a super-2 number, since 2×45508669² = 4142077908303122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45508369) 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, 136087 + ... + 136420.

It is an arithmetic number, because the mean of its divisors is an integer number (11445336).

Almost surely, 2^45508669 is an apocalyptic number.

It is an amenable number.

45508669 is a deficient number, since it is larger than the sum of its proper divisors (272675).

45508669 is a wasteful number, since it uses less digits than its factorization.

45508669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272674.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 45508669 is about 6746.0113400438. The cubic root of 45508669 is about 357.0245205430.

The spelling of 45508669 in words is "forty-five million, five hundred eight thousand, six hundred sixty-nine".