142451112203 has 4 divisors (see below), whose sum is σ = 144457465968. Its totient is φ = 140444758440.

The previous prime is 142451112119. The next prime is 142451112233. The reversal of 142451112203 is 302211154241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302211154241 = 31 ⋅9748746911.

It is a cyclic number.

It is not a de Polignac number, because 142451112203 - 2¹⁶ = 142451046667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142451112233) 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, 1003176776 + ... + 1003176917.

It is an arithmetic number, because the mean of its divisors is an integer number (36114366492).

Almost surely, 2^142451112203 is an apocalyptic number.

142451112203 is a deficient number, since it is larger than the sum of its proper divisors (2006353765).

142451112203 is an equidigital number, since it uses as much as digits as its factorization.

142451112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006353764.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 142451112203 its reverse (302211154241), we get a palindrome (444662266444).

The spelling of 142451112203 in words is "one hundred forty-two billion, four hundred fifty-one million, one hundred twelve thousand, two hundred three".