142937269 has 2 divisors, whose sum is σ = 142937270. Its totient is φ = 142937268.

The previous prime is 142937257. The next prime is 142937303. The reversal of 142937269 is 962739241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 70056900 = 8537^2 + 8370^2 .

It is a cyclic number.

It is not a de Polignac number, because 142937269 - 2⁷ = 142937141 is a prime.

It is a super-2 number, since 2×142937269² = 40862125738356722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142937219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71468634 + 71468635.

It is an arithmetic number, because the mean of its divisors is an integer number (71468635).

Almost surely, 2^142937269 is an apocalyptic number.

It is an amenable number.

142937269 is a deficient number, since it is larger than the sum of its proper divisors (1).

142937269 is an equidigital number, since it uses as much as digits as its factorization.

142937269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 142937269 is about 11955.6375405078. The cubic root of 142937269 is about 522.8556756584.

The spelling of 142937269 in words is "one hundred forty-two million, nine hundred thirty-seven thousand, two hundred sixty-nine".