142300278 has 12 divisors (see below), whose sum is σ = 308317308. Its totient is φ = 47433420.

The previous prime is 142300267. The next prime is 142300297. The reversal of 142300278 is 872003241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3952768 + ... + 3952803.

It is an arithmetic number, because the mean of its divisors is an integer number (25693109).

Almost surely, 2^142300278 is an apocalyptic number.

142300278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142300278 is an abundant number, since it is smaller than the sum of its proper divisors (166017030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142300278 is a wasteful number, since it uses less digits than its factorization.

142300278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905579 (or 7905576 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142300278 is about 11928.9680190702. The cubic root of 142300278 is about 522.0778278284.

The spelling of 142300278 in words is "one hundred forty-two million, three hundred thousand, two hundred seventy-eight".