2154682842 has 32 divisors (see below), whose sum is σ = 4665185280. Its totient is φ = 659503680.

The previous prime is 2154682823. The next prime is 2154682847. The reversal of 2154682842 is 2482864512.

2154682842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2154682794 and 2154682803.

It is not an unprimeable number, because it can be changed into a prime (2154682847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57417 + ... + 87212.

It is an arithmetic number, because the mean of its divisors is an integer number (145787040).

Almost surely, 2^2154682842 is an apocalyptic number.

2154682842 is an abundant number, since it is smaller than the sum of its proper divisors (2510502438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154682842 is a wasteful number, since it uses less digits than its factorization.

2154682842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144838.

The product of its digits is 245760, while the sum is 42.

The square root of 2154682842 is about 46418.5613952005. The cubic root of 2154682842 is about 1291.5992508433.

The spelling of 2154682842 in words is "two billion, one hundred fifty-four million, six hundred eighty-two thousand, eight hundred forty-two".