142427201 has 16 divisors (see below), whose sum is σ = 170655744. Its totient is φ = 116219664.

The previous prime is 142427179. The next prime is 142427203. The reversal of 142427201 is 102724241.

It is a cyclic number.

It is not a de Polignac number, because 142427201 - 2¹⁸ = 142165057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (142427203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33920 + ... + 37886.

It is an arithmetic number, because the mean of its divisors is an integer number (10665984).

Almost surely, 2^142427201 is an apocalyptic number.

It is an amenable number.

142427201 is a deficient number, since it is larger than the sum of its proper divisors (28228543).

142427201 is a wasteful number, since it uses less digits than its factorization.

142427201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 142427201 is about 11934.2867822086. The cubic root of 142427201 is about 522.2330020225.

The spelling of 142427201 in words is "one hundred forty-two million, four hundred twenty-seven thousand, two hundred one".