2142158404 has 24 divisors (see below), whose sum is σ = 3905895168. Its totient is φ = 1026834720.

The previous prime is 2142158393. The next prime is 2142158419. The reversal of 2142158404 is 4048512412.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67459 + ... + 93994.

It is an arithmetic number, because the mean of its divisors is an integer number (162745632).

Almost surely, 2^2142158404 is an apocalyptic number.

It is an amenable number.

2142158404 is a deficient number, since it is larger than the sum of its proper divisors (1763736764).

2142158404 is a wasteful number, since it uses less digits than its factorization.

2142158404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161595 (or 161593 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 2142158404 is about 46283.4571310312. The cubic root of 2142158404 is about 1289.0918440352.

The spelling of 2142158404 in words is "two billion, one hundred forty-two million, one hundred fifty-eight thousand, four hundred four".