2142445101 has 16 divisors (see below), whose sum is σ = 2990407680. Its totient is φ = 1361790320.

The previous prime is 2142445091. The next prime is 2142445157. The reversal of 2142445101 is 1015442412.

It is a cyclic number.

It is not a de Polignac number, because 2142445101 - 2⁵ = 2142445069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142445181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28461 + ... + 71378.

It is an arithmetic number, because the mean of its divisors is an integer number (186900480).

Almost surely, 2^2142445101 is an apocalyptic number.

It is an amenable number.

2142445101 is a deficient number, since it is larger than the sum of its proper divisors (847962579).

2142445101 is a wasteful number, since it uses less digits than its factorization.

2142445101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100176.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2142445101 is about 46286.5542139399. The cubic root of 2142445101 is about 1289.1493502522.

Adding to 2142445101 its reverse (1015442412), we get a palindrome (3157887513).

The spelling of 2142445101 in words is "two billion, one hundred forty-two million, four hundred forty-five thousand, one hundred one".