142856203 has 4 divisors (see below), whose sum is σ = 163264240. Its totient is φ = 122448168.

The previous prime is 142856201. The next prime is 142856209. The reversal of 142856203 is 302658241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142856203 - 2¹ = 142856201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142856201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10204008 + ... + 10204021.

It is an arithmetic number, because the mean of its divisors is an integer number (40816060).

Almost surely, 2^142856203 is an apocalyptic number.

142856203 is a deficient number, since it is larger than the sum of its proper divisors (20408037).

142856203 is an equidigital number, since it uses as much as digits as its factorization.

142856203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408036.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 142856203 is about 11952.2467762342. The cubic root of 142856203 is about 522.7568121640.

The spelling of 142856203 in words is "one hundred forty-two million, eight hundred fifty-six thousand, two hundred three".