2146156311 has 16 divisors (see below), whose sum is σ = 3088834560. Its totient is φ = 1317636960.

The previous prime is 2146156303. The next prime is 2146156321. The reversal of 2146156311 is 1136516412.

It is a happy number.

It is not a de Polignac number, because 2146156311 - 2³ = 2146156303 is a prime.

It is a super-2 number, since 2×2146156311² = 9211973822490257442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146156301) 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, 47031 + ... + 80648.

It is an arithmetic number, because the mean of its divisors is an integer number (193052160).

Almost surely, 2^2146156311 is an apocalyptic number.

2146156311 is a deficient number, since it is larger than the sum of its proper divisors (942678249).

2146156311 is a wasteful number, since it uses less digits than its factorization.

2146156311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128126.

The product of its digits is 4320, while the sum is 30.

The square root of 2146156311 is about 46326.6263718825. The cubic root of 2146156311 is about 1289.8932890517.

The spelling of 2146156311 in words is "two billion, one hundred forty-six million, one hundred fifty-six thousand, three hundred eleven".