142542203 has 2 divisors, whose sum is σ = 142542204. Its totient is φ = 142542202.

The previous prime is 142542187. The next prime is 142542217. The reversal of 142542203 is 302245241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142542203 - 2⁴ = 142542187 is a prime.

It is not a weakly prime, because it can be changed into another prime (142542403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71271101 + 71271102.

It is an arithmetic number, because the mean of its divisors is an integer number (71271102).

Almost surely, 2^142542203 is an apocalyptic number.

142542203 is a deficient number, since it is larger than the sum of its proper divisors (1).

142542203 is an equidigital number, since it uses as much as digits as its factorization.

142542203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142542203 is about 11939.1039446015. The cubic root of 142542203 is about 522.3735221902.

Adding to 142542203 its reverse (302245241), we get a palindrome (444787444).

The spelling of 142542203 in words is "one hundred forty-two million, five hundred forty-two thousand, two hundred three".