142566201 has 12 divisors (see below), whose sum is σ = 206786580. Its totient is φ = 94648320.

The previous prime is 142566191. The next prime is 142566209. The reversal of 142566201 is 102665241.

142566201 is a `hidden beast` number, since 14 + 25 + 6 + 620 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 107744400 + 34821801 = 10380^2 + 5901^2 .

It is not a de Polignac number, because 142566201 - 2⁵ = 142566169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142566209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30696 + ... + 35033.

It is an arithmetic number, because the mean of its divisors is an integer number (17232215).

Almost surely, 2^142566201 is an apocalyptic number.

It is an amenable number.

142566201 is a deficient number, since it is larger than the sum of its proper divisors (64220379).

142566201 is a wasteful number, since it uses less digits than its factorization.

142566201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65976 (or 65973 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 142566201 is about 11940.1089191012. The cubic root of 142566201 is about 522.4028356522.

The spelling of 142566201 in words is "one hundred forty-two million, five hundred sixty-six thousand, two hundred one".