89159442 has 16 divisors (see below), whose sum is σ = 179226432. Its totient is φ = 29568560.

The previous prime is 89159437. The next prime is 89159449. The reversal of 89159442 is 24495198.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 89159394 and 89159403.

It is not an unprimeable number, because it can be changed into a prime (89159449) 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, 36534 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (11201652).

Almost surely, 2^89159442 is an apocalyptic number.

89159442 is an abundant number, since it is smaller than the sum of its proper divisors (90066990).

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

89159442 is a wasteful number, since it uses less digits than its factorization.

89159442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75633.

The product of its digits is 103680, while the sum is 42.

The square root of 89159442 is about 9442.4277598507. The cubic root of 89159442 is about 446.7409676897.

The spelling of 89159442 in words is "eighty-nine million, one hundred fifty-nine thousand, four hundred forty-two".