142264717 has 4 divisors (see below), whose sum is σ = 162588256. Its totient is φ = 121941180.

The previous prime is 142264709. The next prime is 142264747. The reversal of 142264717 is 717462241.

It is a happy number.

142264717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717462241 = 131 ⋅5476811.

It is a cyclic number.

It is not a de Polignac number, because 142264717 - 2³ = 142264709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142264747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10161759 + ... + 10161772.

It is an arithmetic number, because the mean of its divisors is an integer number (40647064).

Almost surely, 2^142264717 is an apocalyptic number.

It is an amenable number.

142264717 is a deficient number, since it is larger than the sum of its proper divisors (20323539).

142264717 is an equidigital number, since it uses as much as digits as its factorization.

142264717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323538.

The product of its digits is 18816, while the sum is 34.

The square root of 142264717 is about 11927.4773946547. The cubic root of 142264717 is about 522.0343349259.

The spelling of 142264717 in words is "one hundred forty-two million, two hundred sixty-four thousand, seven hundred seventeen".