2158154288 has 10 divisors (see below), whose sum is σ = 4181423964. Its totient is φ = 1079077136.

The previous prime is 2158154281. The next prime is 2158154303. The reversal of 2158154288 is 8824518512.

It is not an unprimeable number, because it can be changed into a prime (2158154281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67442306 + ... + 67442337.

Almost surely, 2^2158154288 is an apocalyptic number.

It is an amenable number.

2158154288 is a deficient number, since it is larger than the sum of its proper divisors (2023269676).

2158154288 is a wasteful number, since it uses less digits than its factorization.

2158154288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134884651 (or 134884645 counting only the distinct ones).

The product of its digits is 204800, while the sum is 44.

The square root of 2158154288 is about 46455.9392112569. The cubic root of 2158154288 is about 1292.2925178040.

The spelling of 2158154288 in words is "two billion, one hundred fifty-eight million, one hundred fifty-four thousand, two hundred eighty-eight".