142812254 has 8 divisors (see below), whose sum is σ = 230696760. Its totient is φ = 65913336.

The previous prime is 142812253. The next prime is 142812259. The reversal of 142812254 is 452218241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142812253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2746364 + ... + 2746415.

It is an arithmetic number, because the mean of its divisors is an integer number (28837095).

Almost surely, 2^142812254 is an apocalyptic number.

142812254 is a deficient number, since it is larger than the sum of its proper divisors (87884506).

142812254 is a wasteful number, since it uses less digits than its factorization.

142812254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492794.

The product of its digits is 5120, while the sum is 29.

The square root of 142812254 is about 11950.4081101860. The cubic root of 142812254 is about 522.7031988217.

The spelling of 142812254 in words is "one hundred forty-two million, eight hundred twelve thousand, two hundred fifty-four".