1442844158 has 16 divisors (see below), whose sum is σ = 2475139680. Its totient is φ = 617938656.

The previous prime is 1442844131. The next prime is 1442844181. The reversal of 1442844158 is 8514482441.

It is a Curzon number.

It is a congruent number.

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, 13613 + ... + 55416.

It is an arithmetic number, because the mean of its divisors is an integer number (154696230).

Almost surely, 2^1442844158 is an apocalyptic number.

1442844158 is a deficient number, since it is larger than the sum of its proper divisors (1032295522).

1442844158 is a wasteful number, since it uses less digits than its factorization.

1442844158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70531.

The product of its digits is 163840, while the sum is 41.

The square root of 1442844158 is about 37984.7885080331. The cubic root of 1442844158 is about 1129.9862054859.

The spelling of 1442844158 in words is "one billion, four hundred forty-two million, eight hundred forty-four thousand, one hundred fifty-eight".