89145444 has 24 divisors (see below), whose sum is σ = 208595520. Its totient is φ = 29630944.

The previous prime is 89145437. The next prime is 89145479. The reversal of 89145444 is 44454198.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6039 + ... + 14654.

It is an arithmetic number, because the mean of its divisors is an integer number (8691480).

Almost surely, 2^89145444 is an apocalyptic number.

It is an amenable number.

89145444 is an abundant number, since it is smaller than the sum of its proper divisors (119450076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89145444 is a wasteful number, since it uses less digits than its factorization.

89145444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21059 (or 21057 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 89145444 is about 9441.6865018915. The cubic root of 89145444 is about 446.7175870762.

The spelling of 89145444 in words is "eighty-nine million, one hundred forty-five thousand, four hundred forty-four".