89145842258 has 54 divisors (see below), whose sum is σ = 156273017103. Its totient is φ = 38103479040.

The previous prime is 89145842249. The next prime is 89145842263. The reversal of 89145842258 is 85224854198.

It can be written as a sum of positive squares in 5 ways, for example, as 27687961609 + 61457880649 = 166397^2 + 247907^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=211123.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78959438 + ... + 78960566.

Almost surely, 2^89145842258 is an apocalyptic number.

89145842258 is a deficient number, since it is larger than the sum of its proper divisors (67127174845).

89145842258 is a wasteful number, since it uses less digits than its factorization.

89145842258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 1159 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 56.

The spelling of 89145842258 in words is "eighty-nine billion, one hundred forty-five million, eight hundred forty-two thousand, two hundred fifty-eight".