8142442 has 32 divisors (see below), whose sum is σ = 15649920. Its totient is φ = 3084480.

The previous prime is 8142401. The next prime is 8142467. The reversal of 8142442 is 2442418.

8142442 is a modest number, since divided by 2442 gives 814 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4984 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (489060).

Almost surely, 2^8142442 is an apocalyptic number.

8142442 is a deficient number, since it is larger than the sum of its proper divisors (7507478).

8142442 is a wasteful number, since it uses less digits than its factorization.

8142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its digits is 2048, while the sum is 25.

The square root of 8142442 is about 2853.4964517237. The cubic root of 8142442 is about 201.1800404955.

The spelling of 8142442 in words is "eight million, one hundred forty-two thousand, four hundred forty-two".