45720499 has 4 divisors (see below), whose sum is σ = 49876920. Its totient is φ = 41564080.

The previous prime is 45720487. The next prime is 45720523. The reversal of 45720499 is 99402754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45720499 - 2²³ = 37331891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45720439) 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, 2078194 + ... + 2078215.

It is an arithmetic number, because the mean of its divisors is an integer number (12469230).

Almost surely, 2^45720499 is an apocalyptic number.

45720499 is a deficient number, since it is larger than the sum of its proper divisors (4156421).

45720499 is a wasteful number, since it uses less digits than its factorization.

45720499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156420.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 45720499 is about 6761.6935008916. The cubic root of 45720499 is about 357.5776126991.

The spelling of 45720499 in words is "forty-five million, seven hundred twenty thousand, four hundred ninety-nine".