142901903 has 2 divisors, whose sum is σ = 142901904. Its totient is φ = 142901902.

The previous prime is 142901897. The next prime is 142901911. The reversal of 142901903 is 309109241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142901903 - 2¹⁸ = 142639759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142901923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71450951 + 71450952.

It is an arithmetic number, because the mean of its divisors is an integer number (71450952).

Almost surely, 2^142901903 is an apocalyptic number.

142901903 is a deficient number, since it is larger than the sum of its proper divisors (1).

142901903 is an equidigital number, since it uses as much as digits as its factorization.

142901903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 142901903 is about 11954.1583978129. The cubic root of 142901903 is about 522.8125498890.

The spelling of 142901903 in words is "one hundred forty-two million, nine hundred one thousand, nine hundred three".