2143354242 has 64 divisors (see below), whose sum is σ = 4612608000. Its totient is φ = 661929408.

The previous prime is 2143354231. The next prime is 2143354259. The reversal of 2143354242 is 2424533412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499184 + ... + 1500612.

It is an arithmetic number, because the mean of its divisors is an integer number (72072000).

Almost surely, 2^2143354242 is an apocalyptic number.

2143354242 is an abundant number, since it is smaller than the sum of its proper divisors (2469253758).

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

2143354242 is a wasteful number, since it uses less digits than its factorization.

2143354242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its digits is 23040, while the sum is 30.

The square root of 2143354242 is about 46296.3739616830. The cubic root of 2143354242 is about 1289.3316735219.

Adding to 2143354242 its reverse (2424533412), we get a palindrome (4567887654).

The spelling of 2143354242 in words is "two billion, one hundred forty-three million, three hundred fifty-four thousand, two hundred forty-two".