142691203 has 4 divisors (see below), whose sum is σ = 146547760. Its totient is φ = 138834648.

The previous prime is 142691179. The next prime is 142691207. The reversal of 142691203 is 302196241.

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 142691203 - 2¹³ = 142683011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142691207) 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, 1928223 + ... + 1928296.

It is an arithmetic number, because the mean of its divisors is an integer number (36636940).

Almost surely, 2^142691203 is an apocalyptic number.

142691203 is a deficient number, since it is larger than the sum of its proper divisors (3856557).

142691203 is an equidigital number, since it uses as much as digits as its factorization.

142691203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856556.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 142691203 is about 11945.3423140570. The cubic root of 142691203 is about 522.5554719308. Note that the first 3 decimals are identical.

It can be divided in two parts, 1426 and 91203, that added together give a palindrome (92629).

The spelling of 142691203 in words is "one hundred forty-two million, six hundred ninety-one thousand, two hundred three".