142262001 has 40 divisors (see below), whose sum is σ = 257178240. Its totient is φ = 76505472.

The previous prime is 142261991. The next prime is 142262009. The reversal of 142262001 is 100262241.

142262001 is a `hidden beast` number, since 1 + 42 + 2 + 620 + 0 + 1 = 666.

It is not a de Polignac number, because 142262001 - 2⁹ = 142261489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142262009) 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 39 ways as a sum of consecutive naturals, for example, 2260 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (6429456).

Almost surely, 2^142262001 is an apocalyptic number.

It is an amenable number.

142262001 is a deficient number, since it is larger than the sum of its proper divisors (114916239).

142262001 is a wasteful number, since it uses less digits than its factorization.

142262001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795 (or 14786 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142262001 is about 11927.3635393577. The cubic root of 142262001 is about 522.0310128225.

The spelling of 142262001 in words is "one hundred forty-two million, two hundred sixty-two thousand, one".