142264001 has 16 divisors (see below), whose sum is σ = 167789760. Its totient is φ = 119206080.

The previous prime is 142263997. The next prime is 142264013. The reversal of 142264001 is 100462241.

It is a cyclic number.

It is not a de Polignac number, because 142264001 - 2² = 142263997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142264021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (10486860).

Almost surely, 2^142264001 is an apocalyptic number.

142264001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142264001 is a deficient number, since it is larger than the sum of its proper divisors (25525759).

142264001 is a wasteful number, since it uses less digits than its factorization.

142264001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142264001 is about 11927.4473798881. The cubic root of 142264001 is about 522.0334591472.

The spelling of 142264001 in words is "one hundred forty-two million, two hundred sixty-four thousand, one".