45000889 has 2 divisors, whose sum is σ = 45000890. Its totient is φ = 45000888.

The previous prime is 45000881. The next prime is 45000913. The reversal of 45000889 is 98800054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44890000 + 110889 = 6700^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 45000889 - 2³ = 45000881 is a prime.

It is not a weakly prime, because it can be changed into another prime (45000881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500444 + 22500445.

It is an arithmetic number, because the mean of its divisors is an integer number (22500445).

Almost surely, 2^45000889 is an apocalyptic number.

It is an amenable number.

45000889 is a deficient number, since it is larger than the sum of its proper divisors (1).

45000889 is an equidigital number, since it uses as much as digits as its factorization.

45000889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 45000889 is about 6708.2701943198. The cubic root of 45000889 is about 355.6916727137.

The spelling of 45000889 in words is "forty-five million, eight hundred eighty-nine", and thus it is an aban number.