142210667 has 4 divisors (see below), whose sum is σ = 143005320. Its totient is φ = 141416016.

The previous prime is 142210637. The next prime is 142210669. The reversal of 142210667 is 766012241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142210667 - 2²² = 138016363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142210669) 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 3 ways as a sum of consecutive naturals, for example, 397058 + ... + 397415.

It is an arithmetic number, because the mean of its divisors is an integer number (35751330).

Almost surely, 2^142210667 is an apocalyptic number.

142210667 is a deficient number, since it is larger than the sum of its proper divisors (794653).

142210667 is an equidigital number, since it uses as much as digits as its factorization.

142210667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794652.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 142210667 is about 11925.2114027383. The cubic root of 142210667 is about 521.9682151587.

The spelling of 142210667 in words is "one hundred forty-two million, two hundred ten thousand, six hundred sixty-seven".