89489142 has 24 divisors (see below), whose sum is σ = 198623880. Its totient is φ = 29101920.

The previous prime is 89489137. The next prime is 89489143. The reversal of 89489142 is 24198498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89489143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59892 + ... + 61367.

It is an arithmetic number, because the mean of its divisors is an integer number (8275995).

Almost surely, 2^89489142 is an apocalyptic number.

89489142 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

89489142 is an abundant number, since it is smaller than the sum of its proper divisors (109134738).

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

89489142 is a wasteful number, since it uses less digits than its factorization.

89489142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121308 (or 121305 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 89489142 is about 9459.8700836745. The cubic root of 89489142 is about 447.2909536179.

The spelling of 89489142 in words is "eighty-nine million, four hundred eighty-nine thousand, one hundred forty-two".