142717277 has 8 divisors (see below), whose sum is σ = 149997120. Its totient is φ = 135527040.

The previous prime is 142717271. The next prime is 142717279. The reversal of 142717277 is 772717241.

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

It is not a de Polignac number, because 142717277 - 2⁸ = 142717021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142717277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142717271) 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, 19124 + ... + 25517.

It is an arithmetic number, because the mean of its divisors is an integer number (18749640).

Almost surely, 2^142717277 is an apocalyptic number.

It is an amenable number.

142717277 is a deficient number, since it is larger than the sum of its proper divisors (7279843).

142717277 is a wasteful number, since it uses less digits than its factorization.

142717277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44803.

The product of its digits is 38416, while the sum is 38.

The square root of 142717277 is about 11946.4336519314. The cubic root of 142717277 is about 522.5872988906.

The spelling of 142717277 in words is "one hundred forty-two million, seven hundred seventeen thousand, two hundred seventy-seven".