142944253 has 2 divisors, whose sum is σ = 142944254. Its totient is φ = 142944252.

The previous prime is 142944247. The next prime is 142944323. The reversal of 142944253 is 352449241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142730809 + 213444 = 11947^2 + 462^2 .

It is an emirp because it is prime and its reverse (352449241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142944253 - 2⁹ = 142943741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142944203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71472126 + 71472127.

It is an arithmetic number, because the mean of its divisors is an integer number (71472127).

Almost surely, 2^142944253 is an apocalyptic number.

It is an amenable number.

142944253 is a deficient number, since it is larger than the sum of its proper divisors (1).

142944253 is an equidigital number, since it uses as much as digits as its factorization.

142944253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 142944253 is about 11955.9296167216. The cubic root of 142944253 is about 522.8641911995.

The spelling of 142944253 in words is "one hundred forty-two million, nine hundred forty-four thousand, two hundred fifty-three".