142434331 has 8 divisors (see below), whose sum is σ = 160060320. Its totient is φ = 125761152.

The previous prime is 142434323. The next prime is 142434389. The reversal of 142434331 is 133434241.

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 142434331 - 2³ = 142434323 is a prime.

It is a super-2 number, since 2×142434331² = 40575077294835122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142434296 and 142434305.

It is not an unprimeable number, because it can be changed into a prime (142434311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237886 + ... + 238483.

It is an arithmetic number, because the mean of its divisors is an integer number (20007540).

Almost surely, 2^142434331 is an apocalyptic number.

142434331 is a deficient number, since it is larger than the sum of its proper divisors (17625989).

142434331 is a wasteful number, since it uses less digits than its factorization.

142434331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476405.

The product of its digits is 3456, while the sum is 25.

The square root of 142434331 is about 11934.5854976199. The cubic root of 142434331 is about 522.2417163204.

Adding to 142434331 its reverse (133434241), we get a palindrome (275868572).

The spelling of 142434331 in words is "one hundred forty-two million, four hundred thirty-four thousand, three hundred thirty-one".