142751233 has 2 divisors, whose sum is σ = 142751234. Its totient is φ = 142751232.

The previous prime is 142751209. The next prime is 142751243. The reversal of 142751233 is 332157241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136258929 + 6492304 = 11673^2 + 2548^2 .

It is a cyclic number.

It is not a de Polignac number, because 142751233 - 2⁵ = 142751201 is a prime.

It is not a weakly prime, because it can be changed into another prime (142751243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71375616 + 71375617.

It is an arithmetic number, because the mean of its divisors is an integer number (71375617).

Almost surely, 2^142751233 is an apocalyptic number.

It is an amenable number.

142751233 is a deficient number, since it is larger than the sum of its proper divisors (1).

142751233 is an equidigital number, since it uses as much as digits as its factorization.

142751233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 142751233 is about 11947.8547446812. The cubic root of 142751233 is about 522.6287411218.

The spelling of 142751233 in words is "one hundred forty-two million, seven hundred fifty-one thousand, two hundred thirty-three".