142454276 has 24 divisors (see below), whose sum is σ = 254400384. Its totient is φ = 69778080.

The previous prime is 142454251. The next prime is 142454309. The reversal of 142454276 is 672454241.

It is a happy number.

142454276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68021 + ... + 70083.

It is an arithmetic number, because the mean of its divisors is an integer number (10600016).

Almost surely, 2^142454276 is an apocalyptic number.

It is an amenable number.

142454276 is a deficient number, since it is larger than the sum of its proper divisors (111946108).

142454276 is a wasteful number, since it uses less digits than its factorization.

142454276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2409 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 142454276 is about 11935.4210650484. The cubic root of 142454276 is about 522.2660915882.

Subtracting from 142454276 its sum of digits (35), we obtain a palindrome (142454241).

The spelling of 142454276 in words is "one hundred forty-two million, four hundred fifty-four thousand, two hundred seventy-six".