45516839 has 4 divisors (see below), whose sum is σ = 47495856. Its totient is φ = 43537824.

The previous prime is 45516827. The next prime is 45516851. The reversal of 45516839 is 93861554.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45516827) and next prime (45516851).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45516839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45516796 and 45516805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45516859) 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, 989474 + ... + 989519.

It is an arithmetic number, because the mean of its divisors is an integer number (11873964).

Almost surely, 2^45516839 is an apocalyptic number.

45516839 is a deficient number, since it is larger than the sum of its proper divisors (1979017).

45516839 is a wasteful number, since it uses less digits than its factorization.

45516839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979016.

The product of its digits is 129600, while the sum is 41.

The square root of 45516839 is about 6746.6168558767. The cubic root of 45516839 is about 357.0458843539.

The spelling of 45516839 in words is "forty-five million, five hundred sixteen thousand, eight hundred thirty-nine".