89158042 has 4 divisors (see below), whose sum is σ = 133737066. Its totient is φ = 44579020.

The previous prime is 89158033. The next prime is 89158061. The reversal of 89158042 is 24085198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 14145121 = 8661^2 + 3761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89157992 and 89158010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22289509 + ... + 22289512.

Almost surely, 2^89158042 is an apocalyptic number.

89158042 is a deficient number, since it is larger than the sum of its proper divisors (44579024).

89158042 is a wasteful number, since it uses less digits than its factorization.

89158042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44579023.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 89158042 is about 9442.3536260829. The cubic root of 89158042 is about 446.7386294044.

The spelling of 89158042 in words is "eighty-nine million, one hundred fifty-eight thousand, forty-two".