45245939 has 4 divisors (see below), whose sum is σ = 45400656. Its totient is φ = 45091224.

The previous prime is 45245929. The next prime is 45245953. The reversal of 45245939 is 93954254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45245939 - 2⁴ = 45245923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45245896 and 45245905.

It is not an unprimeable number, because it can be changed into a prime (45245929) 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, 76919 + ... + 77504.

It is an arithmetic number, because the mean of its divisors is an integer number (11350164).

Almost surely, 2^45245939 is an apocalyptic number.

45245939 is a deficient number, since it is larger than the sum of its proper divisors (154717).

45245939 is a wasteful number, since it uses less digits than its factorization.

45245939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154716.

The product of its digits is 194400, while the sum is 41.

The square root of 45245939 is about 6726.5101650113. The cubic root of 45245939 is about 356.3361378250.

The spelling of 45245939 in words is "forty-five million, two hundred forty-five thousand, nine hundred thirty-nine".