1442815752 has 32 divisors (see below), whose sum is σ = 4122331200. Its totient is φ = 412233024.

The previous prime is 1442815747. The next prime is 1442815793. The reversal of 1442815752 is 2575182441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442815752.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4293927 + ... + 4294262.

It is an arithmetic number, because the mean of its divisors is an integer number (128822850).

Almost surely, 2^1442815752 is an apocalyptic number.

1442815752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442815752 is an abundant number, since it is smaller than the sum of its proper divisors (2679515448).

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

1442815752 is a wasteful number, since it uses less digits than its factorization.

1442815752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588205 (or 8588201 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 1442815752 is about 37984.4145933566. The cubic root of 1442815752 is about 1129.9787899013.

The spelling of 1442815752 in words is "one billion, four hundred forty-two million, eight hundred fifteen thousand, seven hundred fifty-two".