45578 has 8 divisors (see below), whose sum is σ = 73668. Its totient is φ = 21024.

The previous prime is 45569. The next prime is 45587. The reversal of 45578 is 87554.

It is an interprime number because it is at equal distance from previous prime (45569) and next prime (45587).

It can be written as a sum of positive squares in 2 ways, for example, as 34969 + 10609 = 187^2 + 103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×45578³ = 284044933321656, which contains 333 as substring.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 45578.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 902.

2⁴⁵⁵⁷⁸ is an apocalyptic number.

45578 is a deficient number, since it is larger than the sum of its proper divisors (28090).

45578 is a wasteful number, since it uses less digits than its factorization.

45578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its digits is 5600, while the sum is 29.

The square root of 45578 is about 213.4900466064. The cubic root of 45578 is about 35.7205733692.

The spelling of 45578 in words is "forty-five thousand, five hundred seventy-eight".