142144233 has 16 divisors (see below), whose sum is σ = 236292096. Its totient is φ = 73841040.

The previous prime is 142144199. The next prime is 142144237. The reversal of 142144233 is 332441241.

It is not a de Polignac number, because 142144233 - 2⁸ = 142143977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142144237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307441 + ... + 307902.

It is an arithmetic number, because the mean of its divisors is an integer number (14768256).

Almost surely, 2^142144233 is an apocalyptic number.

It is an amenable number.

142144233 is a deficient number, since it is larger than the sum of its proper divisors (94147863).

142144233 is a wasteful number, since it uses less digits than its factorization.

142144233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615364.

The product of its digits is 2304, while the sum is 24.

The square root of 142144233 is about 11922.4256340730. The cubic root of 142144233 is about 521.8869229972.

Adding to 142144233 its reverse (332441241), we get a palindrome (474585474).

It can be divided in two parts, 1421 and 44233, that added together give a palindrome (45654).

The spelling of 142144233 in words is "one hundred forty-two million, one hundred forty-four thousand, two hundred thirty-three".