45993813 has 16 divisors (see below), whose sum is σ = 67361280. Its totient is φ = 27784944.

The previous prime is 45993793. The next prime is 45993821. The reversal of 45993813 is 31839954.

It is not a de Polignac number, because 45993813 - 2⁵ = 45993781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45993833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16231 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (4210080).

Almost surely, 2^45993813 is an apocalyptic number.

It is an amenable number.

45993813 is a deficient number, since it is larger than the sum of its proper divisors (21367467).

45993813 is a wasteful number, since it uses less digits than its factorization.

45993813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128.

The product of its digits is 116640, while the sum is 42.

The square root of 45993813 is about 6781.8738560961. The cubic root of 45993813 is about 358.2887223834.

The spelling of 45993813 in words is "forty-five million, nine hundred ninety-three thousand, eight hundred thirteen".