142597797 has 8 divisors (see below), whose sum is σ = 190434240. Its totient is φ = 94913280.

The previous prime is 142597789. The next prime is 142597801. The reversal of 142597797 is 797795241.

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

It is not a de Polignac number, because 142597797 - 2³ = 142597789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142597747) 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, 35772 + ... + 39557.

It is an arithmetic number, because the mean of its divisors is an integer number (23804280).

Almost surely, 2^142597797 is an apocalyptic number.

It is an amenable number.

142597797 is a deficient number, since it is larger than the sum of its proper divisors (47836443).

142597797 is an equidigital number, since it uses as much as digits as its factorization.

142597797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75963.

The product of its digits is 1111320, while the sum is 51.

The square root of 142597797 is about 11941.4319493099. The cubic root of 142597797 is about 522.4414250248.

The spelling of 142597797 in words is "one hundred forty-two million, five hundred ninety-seven thousand, seven hundred ninety-seven".