142432253 has 8 divisors (see below), whose sum is σ = 150125400. Its totient is φ = 134924608.

The previous prime is 142432249. The next prime is 142432291. The reversal of 142432253 is 352234241.

It can be written as a sum of positive squares in 4 ways, for example, as 19377604 + 123054649 = 4402^2 + 11093^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142432253 - 2² = 142432249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142432223) 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 7 ways as a sum of consecutive naturals, for example, 44798 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (18765675).

Almost surely, 2^142432253 is an apocalyptic number.

It is an amenable number.

142432253 is a deficient number, since it is larger than the sum of its proper divisors (7693147).

142432253 is an equidigital number, since it uses as much as digits as its factorization.

142432253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92751.

The product of its digits is 5760, while the sum is 26.

The square root of 142432253 is about 11934.4984393983. The cubic root of 142432253 is about 522.2391766154.

Adding to 142432253 its reverse (352234241), we get a palindrome (494666494).

The spelling of 142432253 in words is "one hundred forty-two million, four hundred thirty-two thousand, two hundred fifty-three".