1442842893 has 12 divisors (see below), whose sum is σ = 2105593308. Its totient is φ = 951978240.

The previous prime is 1442842859. The next prime is 1442842897. The reversal of 1442842893 is 3982482441.

It can be written as a sum of positive squares in 2 ways, for example, as 1087218729 + 355624164 = 32973^2 + 18858^2 .

It is not a de Polignac number, because 1442842893 - 2⁸ = 1442842637 is a prime.

It is a super-2 number, since 2×1442842893² = 4163591227761218898, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442842897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825498 + ... + 827243.

It is an arithmetic number, because the mean of its divisors is an integer number (175466109).

Almost surely, 2^1442842893 is an apocalyptic number.

It is an amenable number.

1442842893 is a deficient number, since it is larger than the sum of its proper divisors (662750415).

1442842893 is a wasteful number, since it uses less digits than its factorization.

1442842893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652844 (or 1652841 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1442842893 is about 37984.7718566270. The cubic root of 1442842893 is about 1129.9858752509.

The spelling of 1442842893 in words is "one billion, four hundred forty-two million, eight hundred forty-two thousand, eight hundred ninety-three".