142660201 has 4 divisors (see below), whose sum is σ = 142726212. Its totient is φ = 142594192.

The previous prime is 142660183. The next prime is 142660207. The reversal of 142660201 is 102066241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53640976 + 89019225 = 7324^2 + 9435^2 .

It is a cyclic number.

It is not a de Polignac number, because 142660201 - 2⁵ = 142660169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142660207) 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, 29650 + ... + 34123.

It is an arithmetic number, because the mean of its divisors is an integer number (35681553).

Almost surely, 2^142660201 is an apocalyptic number.

It is an amenable number.

142660201 is a deficient number, since it is larger than the sum of its proper divisors (66011).

142660201 is an equidigital number, since it uses as much as digits as its factorization.

142660201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66010.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142660201 is about 11944.0445829710. The cubic root of 142660201 is about 522.5176246125.

The spelling of 142660201 in words is "one hundred forty-two million, six hundred sixty thousand, two hundred one".