142873301 has 2 divisors, whose sum is σ = 142873302. Its totient is φ = 142873300.

The previous prime is 142873277. The next prime is 142873303. The reversal of 142873301 is 103378241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104060401 + 38812900 = 10201^2 + 6230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142873301 is a prime.

Together with 142873303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142873303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71436650 + 71436651.

It is an arithmetic number, because the mean of its divisors is an integer number (71436651).

Almost surely, 2^142873301 is an apocalyptic number.

It is an amenable number.

142873301 is a deficient number, since it is larger than the sum of its proper divisors (1).

142873301 is an equidigital number, since it uses as much as digits as its factorization.

142873301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 142873301 is about 11952.9620178431. The cubic root of 142873301 is about 522.7776670265. Note that the first 3 decimals are identical.

The spelling of 142873301 in words is "one hundred forty-two million, eight hundred seventy-three thousand, three hundred one".