142097347 has 16 divisors (see below), whose sum is σ = 165248512. Its totient is φ = 119672640.

The previous prime is 142097323. The next prime is 142097357. The reversal of 142097347 is 743790241.

142097347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142097347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142097357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248572 + ... + 249142.

It is an arithmetic number, because the mean of its divisors is an integer number (10328032).

Almost surely, 2^142097347 is an apocalyptic number.

142097347 is a deficient number, since it is larger than the sum of its proper divisors (23151165).

142097347 is an equidigital number, since it uses as much as digits as its factorization.

142097347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 142097347 is about 11920.4591773975. The cubic root of 142097347 is about 521.8295355567.

The spelling of 142097347 in words is "one hundred forty-two million, ninety-seven thousand, three hundred forty-seven".