2146156238 has 8 divisors (see below), whose sum is σ = 3242732832. Its totient is φ = 1065245296.

The previous prime is 2146156231. The next prime is 2146156241. The reversal of 2146156238 is 8326516412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146156231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916070 + ... + 3916617.

It is an arithmetic number, because the mean of its divisors is an integer number (405341604).

Almost surely, 2^2146156238 is an apocalyptic number.

2146156238 is a deficient number, since it is larger than the sum of its proper divisors (1096576594).

2146156238 is a wasteful number, since it uses less digits than its factorization.

2146156238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832826.

The product of its digits is 69120, while the sum is 38.

The square root of 2146156238 is about 46326.6255839987. The cubic root of 2146156238 is about 1289.8932744267.

The spelling of 2146156238 in words is "two billion, one hundred forty-six million, one hundred fifty-six thousand, two hundred thirty-eight".