1442343772 has 12 divisors (see below), whose sum is σ = 2524427136. Its totient is φ = 721078880.

The previous prime is 1442343769. The next prime is 1442343781. The reversal of 1442343772 is 2773432441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20997 + ... + 57667.

It is an arithmetic number, because the mean of its divisors is an integer number (210368928).

Almost surely, 2^1442343772 is an apocalyptic number.

It is an amenable number.

1442343772 is a deficient number, since it is larger than the sum of its proper divisors (1082083364).

1442343772 is a wasteful number, since it uses less digits than its factorization.

1442343772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46508 (or 46506 counting only the distinct ones).

The product of its digits is 112896, while the sum is 37.

The square root of 1442343772 is about 37978.2012738887. The cubic root of 1442343772 is about 1129.8555619808.

The spelling of 1442343772 in words is "one billion, four hundred forty-two million, three hundred forty-three thousand, seven hundred seventy-two".