142267089 has 8 divisors (see below), whose sum is σ = 194316192. Its totient is φ = 92531360.

The previous prime is 142267061. The next prime is 142267129. The reversal of 142267089 is 980762241.

142267089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142267089 - 2⁵ = 142267057 is a prime.

It is a super-2 number, since 2×142267089² = 40479849225067842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142267009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578199 + ... + 578444.

It is an arithmetic number, because the mean of its divisors is an integer number (24289524).

Almost surely, 2^142267089 is an apocalyptic number.

It is an amenable number.

142267089 is a deficient number, since it is larger than the sum of its proper divisors (52049103).

142267089 is a wasteful number, since it uses less digits than its factorization.

142267089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156687.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 142267089 is about 11927.5768285096. The cubic root of 142267089 is about 522.0372362275.

The spelling of 142267089 in words is "one hundred forty-two million, two hundred sixty-seven thousand, eighty-nine".