142267093 has 4 divisors (see below), whose sum is σ = 143596800. Its totient is φ = 140937388.

The previous prime is 142267061. The next prime is 142267129. The reversal of 142267093 is 390762241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390762241 = 439 ⋅890119.

It is a cyclic number.

It is not a de Polignac number, because 142267093 - 2⁵ = 142267061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142267043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664693 + ... + 664906.

It is an arithmetic number, because the mean of its divisors is an integer number (35899200).

Almost surely, 2^142267093 is an apocalyptic number.

It is an amenable number.

142267093 is a deficient number, since it is larger than the sum of its proper divisors (1329707).

142267093 is a wasteful number, since it uses less digits than its factorization.

142267093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329706.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 142267093 is about 11927.5769961883. The cubic root of 142267093 is about 522.0372411200.

The spelling of 142267093 in words is "one hundred forty-two million, two hundred sixty-seven thousand, ninety-three".