2159142 has 32 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 686400.

The previous prime is 2159093. The next prime is 2159147. The reversal of 2159142 is 2419512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159147) 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, 16417 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^2159142 is an apocalyptic number.

2159142 is an abundant number, since it is smaller than the sum of its proper divisors (2364762).

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

2159142 is a wasteful number, since it uses less digits than its factorization.

2159142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 720, while the sum is 24.

The square root of 2159142 is about 1469.4019191494. The cubic root of 2159142 is about 129.2489633485.

The spelling of 2159142 in words is "two million, one hundred fifty-nine thousand, one hundred forty-two".