45839812 has 6 divisors (see below), whose sum is σ = 80219678. Its totient is φ = 22919904.

The previous prime is 45839797. The next prime is 45839813. The reversal of 45839812 is 21893854.

It can be written as a sum of positive squares in only one way, i.e., 34857216 + 10982596 = 5904^2 + 3314^2 .

It is not an unprimeable number, because it can be changed into a prime (45839813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729973 + ... + 5729980.

Almost surely, 2^45839812 is an apocalyptic number.

It is an amenable number.

45839812 is a deficient number, since it is larger than the sum of its proper divisors (34379866).

45839812 is a wasteful number, since it uses less digits than its factorization.

45839812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459957 (or 11459955 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 45839812 is about 6770.5104681996. The cubic root of 45839812 is about 357.8883894142. Note that the first 3 decimals are identical.

The spelling of 45839812 in words is "forty-five million, eight hundred thirty-nine thousand, eight hundred twelve".