142431413 has 4 divisors (see below), whose sum is σ = 142466700. Its totient is φ = 142396128.

The previous prime is 142431409. The next prime is 142431427. The reversal of 142431413 is 314134241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137757169 + 4674244 = 11737^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 142431413 - 2² = 142431409 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 (142431473) 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, 10670 + ... + 19967.

It is an arithmetic number, because the mean of its divisors is an integer number (35616675).

Almost surely, 2^142431413 is an apocalyptic number.

It is an amenable number.

142431413 is a deficient number, since it is larger than the sum of its proper divisors (35287).

142431413 is an equidigital number, since it uses as much as digits as its factorization.

142431413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35286.

The product of its digits is 1152, while the sum is 23.

The square root of 142431413 is about 11934.4632472516. The cubic root of 142431413 is about 522.2381499711.

Adding to 142431413 its reverse (314134241), we get a palindrome (456565654).

The spelling of 142431413 in words is "one hundred forty-two million, four hundred thirty-one thousand, four hundred thirteen".