142712331 has 8 divisors (see below), whose sum is σ = 201476304. Its totient is φ = 89544960.

The previous prime is 142712321. The next prime is 142712347. The reversal of 142712331 is 133217241.

It is a happy number.

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

It is not a de Polignac number, because 142712331 - 2¹⁰ = 142711307 is a prime.

It is a super-2 number, since 2×142712331² = 40733618838907122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142712321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399090 + ... + 1399191.

It is an arithmetic number, because the mean of its divisors is an integer number (25184538).

Almost surely, 2^142712331 is an apocalyptic number.

142712331 is a deficient number, since it is larger than the sum of its proper divisors (58763973).

142712331 is a wasteful number, since it uses less digits than its factorization.

142712331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798301.

The product of its digits is 1008, while the sum is 24.

The square root of 142712331 is about 11946.2266427521. The cubic root of 142712331 is about 522.5812619045.

Adding to 142712331 its reverse (133217241), we get a palindrome (275929572).

The spelling of 142712331 in words is "one hundred forty-two million, seven hundred twelve thousand, three hundred thirty-one".