1142444031 has 8 divisors (see below), whose sum is σ = 1544713344. Its totient is φ = 750902040.

The previous prime is 1142444021. The next prime is 1142444089. The reversal of 1142444031 is 1304442411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142444031 - 2⁷ = 1142443903 is a prime.

It is a super-2 number, since 2×1142444031² = 2610356727935057922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142443992 and 1142444010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142444021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2681581 + ... + 2682006.

It is an arithmetic number, because the mean of its divisors is an integer number (193089168).

Almost surely, 2^1142444031 is an apocalyptic number.

1142444031 is a deficient number, since it is larger than the sum of its proper divisors (402269313).

1142444031 is an equidigital number, since it uses as much as digits as its factorization.

1142444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363661.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1142444031 is about 33800.0596301249. The cubic root of 1142444031 is about 1045.3899267527.

Adding to 1142444031 its reverse (1304442411), we get a palindrome (2446886442).

It can be divided in two parts, 11424 and 44031, that added together give a palindrome (55455).

The spelling of 1142444031 in words is "one billion, one hundred forty-two million, four hundred forty-four thousand, thirty-one".