45828239 has 4 divisors (see below), whose sum is σ = 46894056. Its totient is φ = 44762424.

The previous prime is 45828229. The next prime is 45828241. The reversal of 45828239 is 93282854.

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-45828239 is a prime.

It is a super-2 number, since 2×45828239² = 4200454979682242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45828196 and 45828205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45828229) 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, 532844 + ... + 532929.

It is an arithmetic number, because the mean of its divisors is an integer number (11723514).

Almost surely, 2^45828239 is an apocalyptic number.

45828239 is a deficient number, since it is larger than the sum of its proper divisors (1065817).

45828239 is a wasteful number, since it uses less digits than its factorization.

45828239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065816.

The product of its digits is 138240, while the sum is 41.

The square root of 45828239 is about 6769.6557519567. The cubic root of 45828239 is about 357.8582686469.

It can be divided in two parts, 4582 and 8239, that added together give a palindrome (12821).

The spelling of 45828239 in words is "forty-five million, eight hundred twenty-eight thousand, two hundred thirty-nine".