142877201 has 2 divisors, whose sum is σ = 142877202. Its totient is φ = 142877200.

The previous prime is 142877179. The next prime is 142877209. The reversal of 142877201 is 102778241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112890625 + 29986576 = 10625^2 + 5476^2 .

It is a cyclic number.

It is not a de Polignac number, because 142877201 - 2²² = 138682897 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (142877209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71438600 + 71438601.

It is an arithmetic number, because the mean of its divisors is an integer number (71438601).

Almost surely, 2^142877201 is an apocalyptic number.

It is an amenable number.

142877201 is a deficient number, since it is larger than the sum of its proper divisors (1).

142877201 is an equidigital number, since it uses as much as digits as its factorization.

142877201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 142877201 is about 11953.1251562091. The cubic root of 142877201 is about 522.7824237219.

The spelling of 142877201 in words is "one hundred forty-two million, eight hundred seventy-seven thousand, two hundred one".