45997499 has 4 divisors (see below), whose sum is σ = 48418440. Its totient is φ = 43576560.

The previous prime is 45997489. The next prime is 45997543. The reversal of 45997499 is 99479954.

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 45997499 - 2⁸ = 45997243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45997429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210442 + ... + 1210479.

It is an arithmetic number, because the mean of its divisors is an integer number (12104610).

Almost surely, 2^45997499 is an apocalyptic number.

45997499 is a deficient number, since it is larger than the sum of its proper divisors (2420941).

45997499 is a wasteful number, since it uses less digits than its factorization.

45997499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420940.

The product of its digits is 3674160, while the sum is 56.

The square root of 45997499 is about 6782.1456044529. The cubic root of 45997499 is about 358.2982933587.

The spelling of 45997499 in words is "forty-five million, nine hundred ninety-seven thousand, four hundred ninety-nine".