45559231 has 4 divisors (see below), whose sum is σ = 46618792. Its totient is φ = 44499672.

The previous prime is 45559229. The next prime is 45559237. The reversal of 45559231 is 13295554.

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 45559231 - 2¹ = 45559229 is a prime.

It is a super-2 number, since 2×45559231² = 4151287058622722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45559237) 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, 529716 + ... + 529801.

It is an arithmetic number, because the mean of its divisors is an integer number (11654698).

Almost surely, 2^45559231 is an apocalyptic number.

45559231 is a deficient number, since it is larger than the sum of its proper divisors (1059561).

45559231 is a wasteful number, since it uses less digits than its factorization.

45559231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059560.

The product of its digits is 27000, while the sum is 34.

The square root of 45559231 is about 6749.7578475083. The cubic root of 45559231 is about 357.1566945724.

The spelling of 45559231 in words is "forty-five million, five hundred fifty-nine thousand, two hundred thirty-one".