45589581 has 16 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 29651040.

The previous prime is 45589541. The next prime is 45589613. The reversal of 45589581 is 18598554.

It is a happy number.

45589581 is a `hidden beast` number, since 4 + 558 + 95 + 8 + 1 = 666.

It is not a de Polignac number, because 45589581 - 2¹⁸ = 45327437 is a prime.

It is a super-2 number, since 2×45589581² = 4156819791511122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45589541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19485 + ... + 21698.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^45589581 is an apocalyptic number.

45589581 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45589581 is a deficient number, since it is larger than the sum of its proper divisors (23599539).

45589581 is a wasteful number, since it uses less digits than its factorization.

45589581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41233 (or 41227 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The square root of 45589581 is about 6752.0057020118. The cubic root of 45589581 is about 357.2359854890.

The spelling of 45589581 in words is "forty-five million, five hundred eighty-nine thousand, five hundred eighty-one".