142142351 has 6 divisors (see below), whose sum is σ = 153917640. Its totient is φ = 131208168.

The previous prime is 142142333. The next prime is 142142353. The reversal of 142142351 is 153241241.

It is not a de Polignac number, because 142142351 - 2²⁶ = 75033487 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 (142142353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420371 + ... + 420708.

It is an arithmetic number, because the mean of its divisors is an integer number (25652940).

Almost surely, 2^142142351 is an apocalyptic number.

142142351 is a deficient number, since it is larger than the sum of its proper divisors (11775289).

142142351 is an equidigital number, since it uses as much as digits as its factorization.

142142351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841105 (or 841092 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 142142351 is about 11922.3467069197. The cubic root of 142142351 is about 521.8846197134.

Adding to 142142351 its reverse (153241241), we get a palindrome (295383592).

The spelling of 142142351 in words is "one hundred forty-two million, one hundred forty-two thousand, three hundred fifty-one".