1442967144 has 32 divisors (see below), whose sum is σ = 3704917920. Its totient is φ = 467989056.

The previous prime is 1442967131. The next prime is 1442967193. The reversal of 1442967144 is 4417692441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1442967096 and 1442967105.

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, 811594 + ... + 813369.

It is an arithmetic number, because the mean of its divisors is an integer number (115778685).

Almost surely, 2^1442967144 is an apocalyptic number.

It is an amenable number.

1442967144 is an abundant number, since it is smaller than the sum of its proper divisors (2261950776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442967144 is a wasteful number, since it uses less digits than its factorization.

1442967144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625009 (or 1625005 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 1442967144 is about 37986.4073584223. The cubic root of 1442967144 is about 1130.0183107169.

The spelling of 1442967144 in words is "one billion, four hundred forty-two million, nine hundred sixty-seven thousand, one hundred forty-four".