142208001 has 32 divisors (see below), whose sum is σ = 227696000. Its totient is φ = 87200064.

The previous prime is 142207993. The next prime is 142208021. The reversal of 142208001 is 100802241.

It is not a de Polignac number, because 142208001 - 2³ = 142207993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142208021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132495 + ... + 133563.

It is an arithmetic number, because the mean of its divisors is an integer number (7115500).

Almost surely, 2^142208001 is an apocalyptic number.

It is an amenable number.

142208001 is a deficient number, since it is larger than the sum of its proper divisors (85487999).

142208001 is a wasteful number, since it uses less digits than its factorization.

142208001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 142208001 is about 11925.0996222254. The cubic root of 142208001 is about 521.9649533876.

The spelling of 142208001 in words is "one hundred forty-two million, two hundred eight thousand, one".