2142281746 has 8 divisors (see below), whose sum is σ = 3505551984. Its totient is φ = 973764420.

The previous prime is 2142281731. The next prime is 2142281767. The reversal of 2142281746 is 6471822412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48688200 + ... + 48688243.

It is an arithmetic number, because the mean of its divisors is an integer number (438193998).

Almost surely, 2^2142281746 is an apocalyptic number.

2142281746 is a deficient number, since it is larger than the sum of its proper divisors (1363270238).

2142281746 is a wasteful number, since it uses less digits than its factorization.

2142281746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97376456.

The product of its digits is 43008, while the sum is 37.

The square root of 2142281746 is about 46284.7895749781. The cubic root of 2142281746 is about 1289.1165848316.

The spelling of 2142281746 in words is "two billion, one hundred forty-two million, two hundred eighty-one thousand, seven hundred forty-six".