1442389167 has 32 divisors (see below), whose sum is σ = 2206292160. Its totient is φ = 930631680.

The previous prime is 1442389159. The next prime is 1442389171. The reversal of 1442389167 is 7619832441.

It is not a de Polignac number, because 1442389167 - 2³ = 1442389159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442389147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189067 + ... + 196547.

It is an arithmetic number, because the mean of its divisors is an integer number (68946630).

Almost surely, 2^1442389167 is an apocalyptic number.

1442389167 is a deficient number, since it is larger than the sum of its proper divisors (763902993).

1442389167 is a wasteful number, since it uses less digits than its factorization.

1442389167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720 (or 7714 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1442389167 is about 37978.7989146576. The cubic root of 1442389167 is about 1129.8674152010.

The spelling of 1442389167 in words is "one billion, four hundred forty-two million, three hundred eighty-nine thousand, one hundred sixty-seven".