142369277 has 2 divisors, whose sum is σ = 142369278. Its totient is φ = 142369276.

The previous prime is 142369273. The next prime is 142369307. The reversal of 142369277 is 772963241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86508601 + 55860676 = 9301^2 + 7474^2 .

It is an emirp because it is prime and its reverse (772963241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142369277 - 2² = 142369273 is a prime.

It is a super-3 number, since 3×142369277³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142369273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71184638 + 71184639.

It is an arithmetic number, because the mean of its divisors is an integer number (71184639).

Almost surely, 2^142369277 is an apocalyptic number.

It is an amenable number.

142369277 is a deficient number, since it is larger than the sum of its proper divisors (1).

142369277 is an equidigital number, since it uses as much as digits as its factorization.

142369277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 142369277 is about 11931.8597460748. The cubic root of 142369277 is about 522.1621964322.

The spelling of 142369277 in words is "one hundred forty-two million, three hundred sixty-nine thousand, two hundred seventy-seven".