45372239 has 8 divisors (see below), whose sum is σ = 50336640. Its totient is φ = 40547800.

The previous prime is 45372233. The next prime is 45372259. The reversal of 45372239 is 93227354.

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 45372239 - 2²⁴ = 28595023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45372199 and 45372208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45372233) 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, 34307 + ... + 35604.

It is an arithmetic number, because the mean of its divisors is an integer number (6292080).

Almost surely, 2^45372239 is an apocalyptic number.

45372239 is a deficient number, since it is larger than the sum of its proper divisors (4964401).

45372239 is a wasteful number, since it uses less digits than its factorization.

45372239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69981.

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

The square root of 45372239 is about 6735.8918488943. The cubic root of 45372239 is about 356.6673899695.

It can be divided in two parts, 4537 and 2239, that added together give a palindrome (6776).

The spelling of 45372239 in words is "forty-five million, three hundred seventy-two thousand, two hundred thirty-nine".