142602311 has 2 divisors, whose sum is σ = 142602312. Its totient is φ = 142602310.

The previous prime is 142602301. The next prime is 142602337. The reversal of 142602311 is 113206241.

It is a weak prime.

It is an emirp because it is prime and its reverse (113206241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142602311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142602301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71301155 + 71301156.

It is an arithmetic number, because the mean of its divisors is an integer number (71301156).

Almost surely, 2^142602311 is an apocalyptic number.

142602311 is a deficient number, since it is larger than the sum of its proper divisors (1).

142602311 is an equidigital number, since it uses as much as digits as its factorization.

142602311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 142602311 is about 11941.6209536227. The cubic root of 142602311 is about 522.4469376759.

Adding to 142602311 its reverse (113206241), we get a palindrome (255808552).

The spelling of 142602311 in words is "one hundred forty-two million, six hundred two thousand, three hundred eleven".