142324456 has 8 divisors (see below), whose sum is σ = 266858370. Its totient is φ = 71162224.

The previous prime is 142324433. The next prime is 142324471. The reversal of 142324456 is 654423241.

It can be written as a sum of positive squares in only one way, i.e., 77264100 + 65060356 = 8790^2 + 8066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8895271 + ... + 8895286.

Almost surely, 2^142324456 is an apocalyptic number.

It is an amenable number.

142324456 is a deficient number, since it is larger than the sum of its proper divisors (124533914).

142324456 is a wasteful number, since it uses less digits than its factorization.

142324456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790563 (or 17790559 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 142324456 is about 11929.9813914356. The cubic root of 142324456 is about 522.1073946081.

Adding to 142324456 its reverse (654423241), we get a palindrome (796747697).

The spelling of 142324456 in words is "one hundred forty-two million, three hundred twenty-four thousand, four hundred fifty-six".