142204401 has 12 divisors (see below), whose sum is σ = 206768640. Its totient is φ = 94174200.

The previous prime is 142204399. The next prime is 142204411. The reversal of 142204401 is 104402241.

142204401 is a `hidden beast` number, since 1 + 4 + 220 + 440 + 1 = 666.

It is not a de Polignac number, because 142204401 - 2¹ = 142204399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142204411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50961 + ... + 53678.

It is an arithmetic number, because the mean of its divisors is an integer number (17230720).

Almost surely, 2^142204401 is an apocalyptic number.

It is an amenable number.

142204401 is a deficient number, since it is larger than the sum of its proper divisors (64564239).

142204401 is a wasteful number, since it uses less digits than its factorization.

142204401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104796 (or 104793 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 142204401 is about 11924.9486791348. The cubic root of 142204401 is about 521.9605488307.

Adding to 142204401 its reverse (104402241), we get a palindrome (246606642).

It can be divided in two parts, 14220440 and 1, that added together give a square (14220441 = 3771²).

The spelling of 142204401 in words is "one hundred forty-two million, two hundred four thousand, four hundred one".