142253369 has 2 divisors, whose sum is σ = 142253370. Its totient is φ = 142253368.

The previous prime is 142253347. The next prime is 142253401. The reversal of 142253369 is 963352241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 49843600 = 9613^2 + 7060^2 .

It is a cyclic number.

It is not a de Polignac number, because 142253369 - 2¹⁶ = 142187833 is a prime.

It is a super-2 number, since 2×142253369² = 40472041983700322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142250369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71126684 + 71126685.

It is an arithmetic number, because the mean of its divisors is an integer number (71126685).

Almost surely, 2^142253369 is an apocalyptic number.

It is an amenable number.

142253369 is a deficient number, since it is larger than the sum of its proper divisors (1).

142253369 is an equidigital number, since it uses as much as digits as its factorization.

142253369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 142253369 is about 11927.0016768675. The cubic root of 142253369 is about 522.0204542222.

The spelling of 142253369 in words is "one hundred forty-two million, two hundred fifty-three thousand, three hundred sixty-nine".