142404203 has 4 divisors (see below), whose sum is σ = 144409968. Its totient is φ = 140398440.

The previous prime is 142404167. The next prime is 142404209. The reversal of 142404203 is 302404241.

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 142404203 - 2²² = 138209899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142404209) 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, 1002776 + ... + 1002917.

It is an arithmetic number, because the mean of its divisors is an integer number (36102492).

Almost surely, 2^142404203 is an apocalyptic number.

142404203 is a deficient number, since it is larger than the sum of its proper divisors (2005765).

142404203 is an equidigital number, since it uses as much as digits as its factorization.

142404203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005764.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142404203 is about 11933.3232169417. The cubic root of 142404203 is about 522.2048918465.

Adding to 142404203 its reverse (302404241), we get a palindrome (444808444).

The spelling of 142404203 in words is "one hundred forty-two million, four hundred four thousand, two hundred three".