1442312144 has 40 divisors (see below), whose sum is σ = 3439363200. Its totient is φ = 570584448.

The previous prime is 1442312143. The next prime is 1442312153. The reversal of 1442312144 is 4412132441.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442312143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493844 + ... + 496755.

It is an arithmetic number, because the mean of its divisors is an integer number (85984080).

Almost surely, 2^1442312144 is an apocalyptic number.

1442312144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442312144 is an abundant number, since it is smaller than the sum of its proper divisors (1997051056).

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

1442312144 is a wasteful number, since it uses less digits than its factorization.

1442312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990627 (or 990621 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 1442312144 is about 37977.7848748449. The cubic root of 1442312144 is about 1129.8473033548.

Adding to 1442312144 its reverse (4412132441), we get a palindrome (5854444585).

The spelling of 1442312144 in words is "one billion, four hundred forty-two million, three hundred twelve thousand, one hundred forty-four".