1144142031 has 8 divisors (see below), whose sum is σ = 1526279040. Its totient is φ = 762383192.

The previous prime is 1144141997. The next prime is 1144142033. The reversal of 1144142031 is 1302414411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144142031 - 2²¹ = 1142044879 is a prime.

It is a super-2 number, since 2×1144142031² = 2618121974201609922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144141989 and 1144142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144142033) 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, 87405 + ... + 99638.

It is an arithmetic number, because the mean of its divisors is an integer number (190784880).

Almost surely, 2^1144142031 is an apocalyptic number.

1144142031 is a deficient number, since it is larger than the sum of its proper divisors (382137009).

1144142031 is a wasteful number, since it uses less digits than its factorization.

1144142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189085.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144142031 is about 33825.1686026840. The cubic root of 1144142031 is about 1045.9075869474.

Adding to 1144142031 its reverse (1302414411), we get a palindrome (2446556442).

The spelling of 1144142031 in words is "one billion, one hundred forty-four million, one hundred forty-two thousand, thirty-one".