89158945 has 8 divisors (see below), whose sum is σ = 110442240. Its totient is φ = 69026160.

The previous prime is 89158943. The next prime is 89158961. The reversal of 89158945 is 54985198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89158945 - 2¹ = 89158943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89158943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287455 + ... + 287764.

It is an arithmetic number, because the mean of its divisors is an integer number (13805280).

Almost surely, 2^89158945 is an apocalyptic number.

It is an amenable number.

89158945 is a deficient number, since it is larger than the sum of its proper divisors (21283295).

89158945 is a wasteful number, since it uses less digits than its factorization.

89158945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575255.

The product of its digits is 518400, while the sum is 49.

The square root of 89158945 is about 9442.4014424298. The cubic root of 89158945 is about 446.7401376012.

The spelling of 89158945 in words is "eighty-nine million, one hundred fifty-eight thousand, nine hundred forty-five".