1442861534 has 8 divisors (see below), whose sum is σ = 2238923160. Its totient is φ = 696553816.

The previous prime is 1442861533. The next prime is 1442861543. The reversal of 1442861534 is 4351682441.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442861531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12438404 + ... + 12438519.

It is an arithmetic number, because the mean of its divisors is an integer number (279865395).

Almost surely, 2^1442861534 is an apocalyptic number.

1442861534 is a deficient number, since it is larger than the sum of its proper divisors (796061626).

1442861534 is a wasteful number, since it uses less digits than its factorization.

1442861534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876954.

The product of its digits is 92160, while the sum is 38.

The square root of 1442861534 is about 37985.0172304818. The cubic root of 1442861534 is about 1129.9907415641.

The spelling of 1442861534 in words is "one billion, four hundred forty-two million, eight hundred sixty-one thousand, five hundred thirty-four".