45819793 has 4 divisors (see below), whose sum is σ = 46292260. Its totient is φ = 45347328.

The previous prime is 45819791. The next prime is 45819817. The reversal of 45819793 is 39791854.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39791854 = 2 ⋅19895927.

It can be written as a sum of positive squares in 2 ways, for example, as 37246609 + 8573184 = 6103^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 45819793 - 2¹ = 45819791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45819791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236088 + ... + 236281.

It is an arithmetic number, because the mean of its divisors is an integer number (11573065).

Almost surely, 2^45819793 is an apocalyptic number.

It is an amenable number.

45819793 is a deficient number, since it is larger than the sum of its proper divisors (472467).

45819793 is an equidigital number, since it uses as much as digits as its factorization.

45819793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472466.

The product of its digits is 272160, while the sum is 46.

The square root of 45819793 is about 6769.0319101035. The cubic root of 45819793 is about 357.8362832459.

The spelling of 45819793 in words is "forty-five million, eight hundred nineteen thousand, seven hundred ninety-three".