45292439 has 4 divisors (see below), whose sum is σ = 46035000. Its totient is φ = 44549880.

The previous prime is 45292433. The next prime is 45292441. The reversal of 45292439 is 93429254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93429254 = 2 ⋅46714627.

It is a cyclic number.

It is not a de Polignac number, because 45292439 - 2¹⁶ = 45226903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45292433) 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, 371189 + ... + 371310.

It is an arithmetic number, because the mean of its divisors is an integer number (11508750).

Almost surely, 2^45292439 is an apocalyptic number.

45292439 is a deficient number, since it is larger than the sum of its proper divisors (742561).

45292439 is an equidigital number, since it uses as much as digits as its factorization.

45292439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742560.

The product of its digits is 77760, while the sum is 38.

The square root of 45292439 is about 6729.9657502843. The cubic root of 45292439 is about 356.4581668786.

The spelling of 45292439 in words is "forty-five million, two hundred ninety-two thousand, four hundred thirty-nine".