45307439 has 8 divisors (see below), whose sum is σ = 46026288. Its totient is φ = 44593920.

The previous prime is 45307433. The next prime is 45307441. The reversal of 45307439 is 93470354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45307439 - 2⁸ = 45307183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45307399 and 45307408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45307433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17924 + ... + 20294.

It is an arithmetic number, because the mean of its divisors is an integer number (5753286).

Almost surely, 2^45307439 is an apocalyptic number.

45307439 is a deficient number, since it is larger than the sum of its proper divisors (718849).

45307439 is a wasteful number, since it uses less digits than its factorization.

45307439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 45307439 is about 6731.0800767782. The cubic root of 45307439 is about 356.4975132719.

The spelling of 45307439 in words is "forty-five million, three hundred seven thousand, four hundred thirty-nine".