2144967156 has 60 divisors (see below), whose sum is σ = 5699344420. Its totient is φ = 703261440.

The previous prime is 2144967119. The next prime is 2144967161. The reversal of 2144967156 is 6517694412.

2144967156 is a `hidden beast` number, since 2 + 1 + 4 + 496 + 7 + 156 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1005904656 + 1139062500 = 31716^2 + 33750^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34501 + ... + 74028.

Almost surely, 2^2144967156 is an apocalyptic number.

It is an amenable number.

2144967156 is an abundant number, since it is smaller than the sum of its proper divisors (3554377264).

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

2144967156 is a wasteful number, since it uses less digits than its factorization.

2144967156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108606 (or 108595 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2144967156 is about 46313.7901277794. The cubic root of 2144967156 is about 1289.6550077990.

The spelling of 2144967156 in words is "two billion, one hundred forty-four million, nine hundred sixty-seven thousand, one hundred fifty-six".