142156303 has 2 divisors, whose sum is σ = 142156304. Its totient is φ = 142156302.

The previous prime is 142156283. The next prime is 142156327. The reversal of 142156303 is 303651241.

It is a weak prime.

It is an emirp because it is prime and its reverse (303651241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142156303 - 2¹⁷ = 142025231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142156393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71078151 + 71078152.

It is an arithmetic number, because the mean of its divisors is an integer number (71078152).

Almost surely, 2^142156303 is an apocalyptic number.

142156303 is a deficient number, since it is larger than the sum of its proper divisors (1).

142156303 is an equidigital number, since it uses as much as digits as its factorization.

142156303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 142156303 is about 11922.9318122683. The cubic root of 142156303 is about 521.9016943712.

The spelling of 142156303 in words is "one hundred forty-two million, one hundred fifty-six thousand, three hundred three".