45528289 has 8 divisors (see below), whose sum is σ = 48101760. Its totient is φ = 43021776.

The previous prime is 45528283. The next prime is 45528299. The reversal of 45528289 is 98282554.

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

It is a cyclic number.

It is not a de Polignac number, because 45528289 - 2³ = 45528281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45528281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15339 + ... + 18064.

It is an arithmetic number, because the mean of its divisors is an integer number (6012720).

Almost surely, 2^45528289 is an apocalyptic number.

It is an amenable number.

45528289 is a deficient number, since it is larger than the sum of its proper divisors (2573471).

45528289 is a wasteful number, since it uses less digits than its factorization.

45528289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33479.

The product of its digits is 230400, while the sum is 43.

The square root of 45528289 is about 6747.4653759764. The cubic root of 45528289 is about 357.0758207665.

The spelling of 45528289 in words is "forty-five million, five hundred twenty-eight thousand, two hundred eighty-nine".