2143455042 has 16 divisors (see below), whose sum is σ = 4287595392. Its totient is φ = 714370800.

The previous prime is 2143455023. The next prime is 2143455071. The reversal of 2143455042 is 2405543412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17928 + ... + 67884.

It is an arithmetic number, because the mean of its divisors is an integer number (267974712).

Almost surely, 2^2143455042 is an apocalyptic number.

2143455042 is an abundant number, since it is smaller than the sum of its proper divisors (2144140350).

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

2143455042 is a wasteful number, since it uses less digits than its factorization.

2143455042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57113.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2143455042 is about 46297.4625870576. The cubic root of 2143455042 is about 1289.3518852369.

Adding to 2143455042 its reverse (2405543412), we get a palindrome (4548998454).

The spelling of 2143455042 in words is "two billion, one hundred forty-three million, four hundred fifty-five thousand, forty-two".