45707239 has 4 divisors (see below), whose sum is σ = 46456600. Its totient is φ = 44957880.

The previous prime is 45707227. The next prime is 45707243. The reversal of 45707239 is 93270754.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45707239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45707198 and 45707207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45707209) 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, 374589 + ... + 374710.

It is an arithmetic number, because the mean of its divisors is an integer number (11614150).

Almost surely, 2^45707239 is an apocalyptic number.

45707239 is a deficient number, since it is larger than the sum of its proper divisors (749361).

45707239 is an equidigital number, since it uses as much as digits as its factorization.

45707239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749360.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 45707239 is about 6760.7129061956. The cubic root of 45707239 is about 357.5430407697.

The spelling of 45707239 in words is "forty-five million, seven hundred seven thousand, two hundred thirty-nine".