142300403 has 4 divisors (see below), whose sum is σ = 162629040. Its totient is φ = 121971768.

The previous prime is 142300397. The next prime is 142300423. The reversal of 142300403 is 304003241.

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 142300403 - 2¹⁴ = 142284019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142300423) 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, 10164308 + ... + 10164321.

It is an arithmetic number, because the mean of its divisors is an integer number (40657260).

Almost surely, 2^142300403 is an apocalyptic number.

142300403 is a deficient number, since it is larger than the sum of its proper divisors (20328637).

142300403 is an equidigital number, since it uses as much as digits as its factorization.

142300403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20328636.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142300403 is about 11928.9732584158. The cubic root of 142300403 is about 522.0779806970.

Adding to 142300403 its reverse (304003241), we get a palindrome (446303644).

The spelling of 142300403 in words is "one hundred forty-two million, three hundred thousand, four hundred three".