2142043254 has 24 divisors (see below), whose sum is σ = 4998101472. Its totient is φ = 659090160.

The previous prime is 2142043229. The next prime is 2142043271. The reversal of 2142043254 is 4523402412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4576782 + ... + 4577249.

It is an arithmetic number, because the mean of its divisors is an integer number (208254228).

Almost surely, 2^2142043254 is an apocalyptic number.

2142043254 is an abundant number, since it is smaller than the sum of its proper divisors (2856058218).

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

2142043254 is a wasteful number, since it uses less digits than its factorization.

2142043254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154052 (or 9154049 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2142043254 is about 46282.2131493298. The cubic root of 2142043254 is about 1289.0687455900.

Adding to 2142043254 its reverse (4523402412), we get a palindrome (6665445666).

The spelling of 2142043254 in words is "two billion, one hundred forty-two million, forty-three thousand, two hundred fifty-four".