1442142656 has 28 divisors (see below), whose sum is σ = 2863397880. Its totient is φ = 720656640.

The previous prime is 1442142641. The next prime is 1442142701. The reversal of 1442142656 is 6562412441.

It is a congruent number.

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, 126971 + ... + 137861.

It is an arithmetic number, because the mean of its divisors is an integer number (102264210).

Almost surely, 2^1442142656 is an apocalyptic number.

1442142656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1442142656 is a deficient number, since it is larger than the sum of its proper divisors (1421255224).

1442142656 is a wasteful number, since it uses less digits than its factorization.

1442142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972 (or 12962 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 1442142656 is about 37975.5533995227. The cubic root of 1442142656 is about 1129.8030450062.

The spelling of 1442142656 in words is "one billion, four hundred forty-two million, one hundred forty-two thousand, six hundred fifty-six".