45227889 has 28 divisors (see below), whose sum is σ = 77506816. Its totient is φ = 25841592.

The previous prime is 45227887. The next prime is 45227891. The reversal of 45227889 is 98872254.

It is an interprime number because it is at equal distance from previous prime (45227887) and next prime (45227891).

It is not a de Polignac number, because 45227889 - 2¹ = 45227887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45227887) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 672 + ... + 9534.

Almost surely, 2^45227889 is an apocalyptic number.

It is an amenable number.

45227889 is a deficient number, since it is larger than the sum of its proper divisors (32278927).

45227889 is an frugal number, since it uses more digits than its factorization.

45227889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888 (or 8873 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 45227889 is about 6725.1683250310. The cubic root of 45227889 is about 356.2887470321.

The spelling of 45227889 in words is "forty-five million, two hundred twenty-seven thousand, eight hundred eighty-nine".