45590 has 16 divisors (see below), whose sum is σ = 84672. Its totient is φ = 17664.

The previous prime is 45589. The next prime is 45599. The reversal of 45590 is 9554.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422 + ... + 518.

It is an arithmetic number, because the mean of its divisors is an integer number (5292).

2⁴⁵⁵⁹⁰ is an apocalyptic number.

45590 is a deficient number, since it is larger than the sum of its proper divisors (39082).

45590 is a wasteful number, since it uses less digits than its factorization.

45590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 45590 is about 213.5181491115. The cubic root of 45590 is about 35.7237079902.

It can be divided in two parts, 455 and 90, that added together give a palindrome (545).

The spelling of 45590 in words is "forty-five thousand, five hundred ninety".