118159489 has 8 divisors (see below), whose sum is σ = 135105408. Its totient is φ = 101230080.

The previous prime is 118159471. The next prime is 118159493. The reversal of 118159489 is 984951811.

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

It is not a de Polignac number, because 118159489 - 2⁷ = 118159361 is a prime.

It is a super-2 number, since 2×118159489² = 27923329681482242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118159409) 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, 24129 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (16888176).

Almost surely, 2^118159489 is an apocalyptic number.

It is an amenable number.

118159489 is a deficient number, since it is larger than the sum of its proper divisors (16945919).

118159489 is an equidigital number, since it uses as much as digits as its factorization.

118159489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255.

The product of its digits is 103680, while the sum is 46.

The square root of 118159489 is about 10870.1190885841. The cubic root of 118159489 is about 490.7076946037.

The spelling of 118159489 in words is "one hundred eighteen million, one hundred fifty-nine thousand, four hundred eighty-nine".