45979838 has 4 divisors (see below), whose sum is σ = 68969760. Its totient is φ = 22989918.

The previous prime is 45979823. The next prime is 45979847. The reversal of 45979838 is 83897954.

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

It is a super-2 number, since 2×45979838² = 4228291005012488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45979838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494958 + ... + 11494961.

It is an arithmetic number, because the mean of its divisors is an integer number (17242440).

Almost surely, 2^45979838 is an apocalyptic number.

45979838 is a deficient number, since it is larger than the sum of its proper divisors (22989922).

45979838 is a wasteful number, since it uses less digits than its factorization.

45979838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989921.

The product of its digits is 2177280, while the sum is 53.

The square root of 45979838 is about 6780.8434578598. The cubic root of 45979838 is about 358.2524306028.

The spelling of 45979838 in words is "forty-five million, nine hundred seventy-nine thousand, eight hundred thirty-eight".