142684297 has 4 divisors (see below), whose sum is σ = 163067776. Its totient is φ = 122300820.

The previous prime is 142684273. The next prime is 142684313. The reversal of 142684297 is 792486241.

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 142684297 - 2¹⁵ = 142651529 is a prime.

It is a super-2 number, since 2×142684297² = 40717617220768418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142684207) 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, 10191729 + ... + 10191742.

It is an arithmetic number, because the mean of its divisors is an integer number (40766944).

Almost surely, 2^142684297 is an apocalyptic number.

It is an amenable number.

142684297 is a deficient number, since it is larger than the sum of its proper divisors (20383479).

142684297 is an equidigital number, since it uses as much as digits as its factorization.

142684297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20383478.

The product of its digits is 193536, while the sum is 43.

The square root of 142684297 is about 11945.0532439165. The cubic root of 142684297 is about 522.5470415435.

The spelling of 142684297 in words is "one hundred forty-two million, six hundred eighty-four thousand, two hundred ninety-seven".