45990838 has 4 divisors (see below), whose sum is σ = 68986260. Its totient is φ = 22995418.

The previous prime is 45990817. The next prime is 45990853. The reversal of 45990838 is 83809954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83809954 = 2 ⋅41904977.

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, 11497708 + ... + 11497711.

It is an arithmetic number, because the mean of its divisors is an integer number (17246565).

Almost surely, 2^45990838 is an apocalyptic number.

45990838 is a deficient number, since it is larger than the sum of its proper divisors (22995422).

45990838 is a wasteful number, since it uses less digits than its factorization.

45990838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22995421.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 45990838 is about 6781.6545178887. The cubic root of 45990838 is about 358.2809971999.

The spelling of 45990838 in words is "forty-five million, nine hundred ninety thousand, eight hundred thirty-eight".