2144508142 has 16 divisors (see below), whose sum is σ = 3794890752. Its totient is φ = 889427160.

The previous prime is 2144508139. The next prime is 2144508143. The reversal of 2144508142 is 2418054412.

It is a super-2 number, since 2×2144508142² = 9197830342208584328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144508143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470198 + ... + 2471065.

It is an arithmetic number, because the mean of its divisors is an integer number (237180672).

Almost surely, 2^2144508142 is an apocalyptic number.

2144508142 is a deficient number, since it is larger than the sum of its proper divisors (1650382610).

2144508142 is a wasteful number, since it uses less digits than its factorization.

2144508142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941303.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 2144508142 is about 46308.8343839488. The cubic root of 2144508142 is about 1289.5630076436.

The spelling of 2144508142 in words is "two billion, one hundred forty-four million, five hundred eight thousand, one hundred forty-two".