142855267 has 8 divisors (see below), whose sum is σ = 151489872. Its totient is φ = 134246400.

The previous prime is 142855259. The next prime is 142855283. The reversal of 142855267 is 762558241.

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

It is a cyclic number.

It is not a de Polignac number, because 142855267 - 2³ = 142855259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142855567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5667 + ... + 17827.

It is an arithmetic number, because the mean of its divisors is an integer number (18936234).

Almost surely, 2^142855267 is an apocalyptic number.

142855267 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142855267 is a deficient number, since it is larger than the sum of its proper divisors (8634605).

142855267 is a wasteful number, since it uses less digits than its factorization.

142855267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12869.

The product of its digits is 134400, while the sum is 40.

The square root of 142855267 is about 11952.2076203520. The cubic root of 142855267 is about 522.7556704531.

The spelling of 142855267 in words is "one hundred forty-two million, eight hundred fifty-five thousand, two hundred sixty-seven".