45688523 has 4 divisors (see below), whose sum is σ = 45991248. Its totient is φ = 45385800.

The previous prime is 45688507. The next prime is 45688553. The reversal of 45688523 is 32588654.

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 45688523 - 2⁴ = 45688507 is a prime.

It is a super-2 number, since 2×45688523² = 4174882267843058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45688553) 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, 151136 + ... + 151437.

It is an arithmetic number, because the mean of its divisors is an integer number (11497812).

Almost surely, 2^45688523 is an apocalyptic number.

45688523 is a deficient number, since it is larger than the sum of its proper divisors (302725).

45688523 is a wasteful number, since it uses less digits than its factorization.

45688523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302724.

The product of its digits is 230400, while the sum is 41.

The square root of 45688523 is about 6759.3285909179. The cubic root of 45688523 is about 357.4942323878.

The spelling of 45688523 in words is "forty-five million, six hundred eighty-eight thousand, five hundred twenty-three".