142454903 has 2 divisors, whose sum is σ = 142454904. Its totient is φ = 142454902.

The previous prime is 142454887. The next prime is 142454909. The reversal of 142454903 is 309454241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142454903 - 2⁴ = 142454887 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142454903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142454909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71227451 + 71227452.

It is an arithmetic number, because the mean of its divisors is an integer number (71227452).

Almost surely, 2^142454903 is an apocalyptic number.

142454903 is a deficient number, since it is larger than the sum of its proper divisors (1).

142454903 is an equidigital number, since it uses as much as digits as its factorization.

142454903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 142454903 is about 11935.4473313739. The cubic root of 142454903 is about 522.2668578232.

The spelling of 142454903 in words is "one hundred forty-two million, four hundred fifty-four thousand, nine hundred three".