2144152872 has 24 divisors (see below), whose sum is σ = 5807080890. Its totient is φ = 714717600.

The previous prime is 2144152841. The next prime is 2144152883. The reversal of 2144152872 is 2782514412.

2144152872 is a `hidden beast` number, since 21 + 4 + 41 + 528 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2129453316 + 14699556 = 46146^2 + 3834^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14889879 + ... + 14890022.

Almost surely, 2^2144152872 is an apocalyptic number.

It is an amenable number.

2144152872 is an abundant number, since it is smaller than the sum of its proper divisors (3662928018).

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

2144152872 is a wasteful number, since it uses less digits than its factorization.

2144152872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29779913 (or 29779906 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2144152872 is about 46304.9983479106. The cubic root of 2144152872 is about 1289.4917918805.

The spelling of 2144152872 in words is "two billion, one hundred forty-four million, one hundred fifty-two thousand, eight hundred seventy-two".