2151514156 has 12 divisors (see below), whose sum is σ = 4107436200. Its totient is φ = 977960960.

The previous prime is 2151514151. The next prime is 2151514177. The reversal of 2151514156 is 6514151512.

It is not an unprimeable number, because it can be changed into a prime (2151514151) 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, 24448981 + ... + 24449068.

It is an arithmetic number, because the mean of its divisors is an integer number (342286350).

Almost surely, 2^2151514156 is an apocalyptic number.

It is an amenable number.

2151514156 is a deficient number, since it is larger than the sum of its proper divisors (1955922044).

2151514156 is a wasteful number, since it uses less digits than its factorization.

2151514156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48898064 (or 48898062 counting only the distinct ones).

The product of its digits is 6000, while the sum is 31.

The square root of 2151514156 is about 46384.4171678377. The cubic root of 2151514156 is about 1290.9657963880.

Adding to 2151514156 its reverse (6514151512), we get a palindrome (8665665668).

The spelling of 2151514156 in words is "two billion, one hundred fifty-one million, five hundred fourteen thousand, one hundred fifty-six".