45597999 has 4 divisors (see below), whose sum is σ = 60797336. Its totient is φ = 30398664.

The previous prime is 45597941. The next prime is 45598001. The reversal of 45597999 is 99979554.

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

It is not a de Polignac number, because 45597999 - 2⁸ = 45597743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45597499) 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, 7599664 + ... + 7599669.

It is an arithmetic number, because the mean of its divisors is an integer number (15199334).

Almost surely, 2^45597999 is an apocalyptic number.

45597999 is a deficient number, since it is larger than the sum of its proper divisors (15199337).

45597999 is a wasteful number, since it uses less digits than its factorization.

45597999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15199336.

The product of its digits is 4592700, while the sum is 57.

The square root of 45597999 is about 6752.6290435652. The cubic root of 45597999 is about 357.2579717074.

The spelling of 45597999 in words is "forty-five million, five hundred ninety-seven thousand, nine hundred ninety-nine".