142391373 has 4 divisors (see below), whose sum is σ = 189855168. Its totient is φ = 94927580.

The previous prime is 142391351. The next prime is 142391383. The reversal of 142391373 is 373193241.

142391373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 142391373 - 2⁶ = 142391309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142391323) 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, 23731893 + ... + 23731898.

It is an arithmetic number, because the mean of its divisors is an integer number (47463792).

Almost surely, 2^142391373 is an apocalyptic number.

It is an amenable number.

142391373 is a deficient number, since it is larger than the sum of its proper divisors (47463795).

142391373 is an equidigital number, since it uses as much as digits as its factorization.

142391373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47463794.

The product of its digits is 13608, while the sum is 33.

The square root of 142391373 is about 11932.7856345449. The cubic root of 142391373 is about 522.1892085781.

The spelling of 142391373 in words is "one hundred forty-two million, three hundred ninety-one thousand, three hundred seventy-three".