1442323141 has 4 divisors (see below), whose sum is σ = 1648369312. Its totient is φ = 1236276972.

The previous prime is 1442323097. The next prime is 1442323153. The reversal of 1442323141 is 1413232441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1442323141 - 2⁷ = 1442323013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442323241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103023075 + ... + 103023088.

It is an arithmetic number, because the mean of its divisors is an integer number (412092328).

Almost surely, 2^1442323141 is an apocalyptic number.

It is an amenable number.

1442323141 is a deficient number, since it is larger than the sum of its proper divisors (206046171).

1442323141 is an equidigital number, since it uses as much as digits as its factorization.

1442323141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206046170.

The product of its digits is 2304, while the sum is 25.

The square root of 1442323141 is about 37977.9296565782. The cubic root of 1442323141 is about 1129.8501748782.

Adding to 1442323141 its reverse (1413232441), we get a palindrome (2855555582).

The spelling of 1442323141 in words is "one billion, four hundred forty-two million, three hundred twenty-three thousand, one hundred forty-one".