89072144 has 40 divisors (see below), whose sum is σ = 201439488. Its totient is φ = 37359360.

The previous prime is 89072141. The next prime is 89072149. The reversal of 89072144 is 44127098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89072141) 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, 3197 + ... + 13724.

Almost surely, 2^89072144 is an apocalyptic number.

It is an amenable number.

89072144 is an abundant number, since it is smaller than the sum of its proper divisors (112367344).

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

89072144 is a wasteful number, since it uses less digits than its factorization.

89072144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16983 (or 16977 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 89072144 is about 9437.8039818593. The cubic root of 89072144 is about 446.5951153922.

The spelling of 89072144 in words is "eighty-nine million, seventy-two thousand, one hundred forty-four".