45000089 has 4 divisors (see below), whose sum is σ = 45171456. Its totient is φ = 44828724.

The previous prime is 45000077. The next prime is 45000097. The reversal of 45000089 is 98000054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98000054 = 2 ⋅49000027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45000089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45000019) 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, 85289 + ... + 85814.

It is an arithmetic number, because the mean of its divisors is an integer number (11292864).

Almost surely, 2^45000089 is an apocalyptic number.

It is an amenable number.

45000089 is a deficient number, since it is larger than the sum of its proper divisors (171367).

45000089 is a wasteful number, since it uses less digits than its factorization.

45000089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171366.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 45000089 is about 6708.2105661644. The cubic root of 45000089 is about 355.6895649403.

The spelling of 45000089 in words is "forty-five million, eighty-nine", and thus it is an aban number and an uban number.