45839889 has 6 divisors (see below), whose sum is σ = 66213186. Its totient is φ = 30559920.

The previous prime is 45839881. The next prime is 45839891. The reversal of 45839889 is 98893854.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36180225 + 9659664 = 6015^2 + 3108^2 .

It is not a de Polignac number, because 45839889 - 2³ = 45839881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45839881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2546652 + ... + 2546669.

It is an arithmetic number, because the mean of its divisors is an integer number (11035531).

Almost surely, 2^45839889 is an apocalyptic number.

It is an amenable number.

45839889 is a deficient number, since it is larger than the sum of its proper divisors (20373297).

45839889 is a wasteful number, since it uses less digits than its factorization.

45839889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093327 (or 5093324 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 45839889 is about 6770.5161546222. The cubic root of 45839889 is about 357.8885898033. Note that the first 3 decimals are identical.

The spelling of 45839889 in words is "forty-five million, eight hundred thirty-nine thousand, eight hundred eighty-nine".