45739239 has 16 divisors (see below), whose sum is σ = 75059712. Its totient is φ = 24126048.

The previous prime is 45739237. The next prime is 45739247. The reversal of 45739239 is 93293754.

It is not a de Polignac number, because 45739239 - 2¹ = 45739237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45739239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45739237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83499 + ... + 84044.

It is an arithmetic number, because the mean of its divisors is an integer number (4691232).

Almost surely, 2^45739239 is an apocalyptic number.

45739239 is a deficient number, since it is larger than the sum of its proper divisors (29320473).

45739239 is a wasteful number, since it uses less digits than its factorization.

45739239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167566.

The product of its digits is 204120, while the sum is 42.

The square root of 45739239 is about 6763.0791064426. The cubic root of 45739239 is about 357.6264608765.

The spelling of 45739239 in words is "forty-five million, seven hundred thirty-nine thousand, two hundred thirty-nine".