142203543 has 16 divisors (see below), whose sum is σ = 204981120. Its totient is φ = 87384096.

The previous prime is 142203493. The next prime is 142203563. The reversal of 142203543 is 345302241.

It is not a de Polignac number, because 142203543 - 2⁹ = 142203031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142203563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31605 + ... + 35822.

It is an arithmetic number, because the mean of its divisors is an integer number (12811320).

Almost surely, 2^142203543 is an apocalyptic number.

142203543 is a deficient number, since it is larger than the sum of its proper divisors (62777577).

142203543 is a wasteful number, since it uses less digits than its factorization.

142203543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67486.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 142203543 is about 11924.9127040830. The cubic root of 142203543 is about 521.9594990670.

Adding to 142203543 its reverse (345302241), we get a palindrome (487505784).

The spelling of 142203543 in words is "one hundred forty-two million, two hundred three thousand, five hundred forty-three".