45599331 has 4 divisors (see below), whose sum is σ = 60799112. Its totient is φ = 30399552.

The previous prime is 45599327. The next prime is 45599341. The reversal of 45599331 is 13399554.

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

It is not a de Polignac number, because 45599331 - 2² = 45599327 is a prime.

It is a super-2 number, since 2×45599331² = 4158597975295122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45599331.

It is not an unprimeable number, because it can be changed into a prime (45599341) 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, 7599886 + ... + 7599891.

It is an arithmetic number, because the mean of its divisors is an integer number (15199778).

Almost surely, 2^45599331 is an apocalyptic number.

45599331 is a deficient number, since it is larger than the sum of its proper divisors (15199781).

45599331 is a wasteful number, since it uses less digits than its factorization.

45599331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15199780.

The product of its digits is 72900, while the sum is 39.

The square root of 45599331 is about 6752.7276710971. The cubic root of 45599331 is about 357.2614503907.

The spelling of 45599331 in words is "forty-five million, five hundred ninety-nine thousand, three hundred thirty-one".