142799233 has 2 divisors, whose sum is σ = 142799234. Its totient is φ = 142799232.

The previous prime is 142799227. The next prime is 142799257. The reversal of 142799233 is 332997241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115519504 + 27279729 = 10748^2 + 5223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142799233 is a prime.

It is not a weakly prime, because it can be changed into another prime (142799213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71399616 + 71399617.

It is an arithmetic number, because the mean of its divisors is an integer number (71399617).

Almost surely, 2^142799233 is an apocalyptic number.

It is an amenable number.

142799233 is a deficient number, since it is larger than the sum of its proper divisors (1).

142799233 is an equidigital number, since it uses as much as digits as its factorization.

142799233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 142799233 is about 11949.8633046575. The cubic root of 142799233 is about 522.6873124043.

It can be divided in two parts, 1427992 and 33, that added together give a square (1428025 = 1195²).

The spelling of 142799233 in words is "one hundred forty-two million, seven hundred ninety-nine thousand, two hundred thirty-three".