142717461 has 16 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 90778160.

The previous prime is 142717447. The next prime is 142717469. The reversal of 142717461 is 164717241.

It is a cyclic number.

It is not a de Polignac number, because 142717461 - 2⁵ = 142717429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142717469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27340 + ... + 32138.

It is an arithmetic number, because the mean of its divisors is an integer number (12441600).

Almost surely, 2^142717461 is an apocalyptic number.

It is an amenable number.

142717461 is a deficient number, since it is larger than the sum of its proper divisors (56348139).

142717461 is a wasteful number, since it uses less digits than its factorization.

142717461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256.

The product of its digits is 9408, while the sum is 33.

The square root of 142717461 is about 11946.4413529720. The cubic root of 142717461 is about 522.5875234745.

The spelling of 142717461 in words is "one hundred forty-two million, seven hundred seventeen thousand, four hundred sixty-one".