1442323142 has 16 divisors (see below), whose sum is σ = 2356089120. Its totient is φ = 658206912.

The previous prime is 1442323097. The next prime is 1442323153. The reversal of 1442323142 is 2413232441.

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

It is a congruent number.

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, 309338 + ... + 313965.

It is an arithmetic number, because the mean of its divisors is an integer number (147255570).

Almost surely, 2^1442323142 is an apocalyptic number.

1442323142 is a deficient number, since it is larger than the sum of its proper divisors (913765978).

1442323142 is a wasteful number, since it uses less digits than its factorization.

1442323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623407.

The product of its digits is 4608, while the sum is 26.

The square root of 1442323142 is about 37977.9296697437. The cubic root of 1442323142 is about 1129.8501751394.

Adding to 1442323142 its reverse (2413232441), we get a palindrome (3855555583).

The spelling of 1442323142 in words is "one billion, four hundred forty-two million, three hundred twenty-three thousand, one hundred forty-two".