2142102255 has 32 divisors (see below), whose sum is σ = 3754123200. Its totient is φ = 1038170112.

The previous prime is 2142102251. The next prime is 2142102257. The reversal of 2142102255 is 5522012412.

It is not a de Polignac number, because 2142102255 - 2² = 2142102251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142102251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137440 + ... + 152229.

It is an arithmetic number, because the mean of its divisors is an integer number (117316350).

Almost surely, 2^2142102255 is an apocalyptic number.

2142102255 is a deficient number, since it is larger than the sum of its proper divisors (1612020945).

2142102255 is a wasteful number, since it uses less digits than its factorization.

2142102255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289723.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2142102255 is about 46282.8505496366. The cubic root of 2142102255 is about 1289.0805809637.

Adding to 2142102255 its reverse (5522012412), we get a palindrome (7664114667).

The spelling of 2142102255 in words is "two billion, one hundred forty-two million, one hundred two thousand, two hundred fifty-five".