142434297 has 6 divisors (see below), whose sum is σ = 205738442. Its totient is φ = 94956192.

The previous prime is 142434251. The next prime is 142434311. The reversal of 142434297 is 792434241.

It can be written as a sum of positive squares in only one way, i.e., 139925241 + 2509056 = 11829^2 + 1584^2 .

It is not a de Polignac number, because 142434297 - 2⁶ = 142434233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142434247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7913008 + ... + 7913025.

Almost surely, 2^142434297 is an apocalyptic number.

It is an amenable number.

142434297 is a deficient number, since it is larger than the sum of its proper divisors (63304145).

142434297 is a wasteful number, since it uses less digits than its factorization.

142434297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826039 (or 15826036 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 142434297 is about 11934.5840731883. The cubic root of 142434297 is about 522.2416747662.

It can be divided in two parts, 1424 and 34297, that added together give a square (35721 = 189²).

The spelling of 142434297 in words is "one hundred forty-two million, four hundred thirty-four thousand, two hundred ninety-seven".