2142542630 has 8 divisors (see below), whose sum is σ = 3856576752. Its totient is φ = 857017048.

The previous prime is 2142542629. The next prime is 2142542651. The reversal of 2142542630 is 362452412.

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

It is a junction number, because it is equal to n+sod(n) for n = 2142542593 and 2142542602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107127122 + ... + 107127141.

It is an arithmetic number, because the mean of its divisors is an integer number (482072094).

Almost surely, 2^2142542630 is an apocalyptic number.

2142542630 is a deficient number, since it is larger than the sum of its proper divisors (1714034122).

2142542630 is a wasteful number, since it uses less digits than its factorization.

2142542630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214254270.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2142542630 is about 46287.6077368446. The cubic root of 2142542630 is about 1289.1689116308.

The spelling of 2142542630 in words is "two billion, one hundred forty-two million, five hundred forty-two thousand, six hundred thirty".