45107239 has 8 divisors (see below), whose sum is σ = 47824128. Its totient is φ = 42397440.

The previous prime is 45107221. The next prime is 45107269. The reversal of 45107239 is 93270154.

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 45107239 - 2⁵ = 45107207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45107239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45107269) 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, 17259 + ... + 19699.

It is an arithmetic number, because the mean of its divisors is an integer number (5978016).

Almost surely, 2^45107239 is an apocalyptic number.

45107239 is a deficient number, since it is larger than the sum of its proper divisors (2716889).

45107239 is a wasteful number, since it uses less digits than its factorization.

45107239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 45107239 is about 6716.1922992124. The cubic root of 45107239 is about 355.9716527317.

The spelling of 45107239 in words is "forty-five million, one hundred seven thousand, two hundred thirty-nine".