142344312451 has 4 divisors (see below), whose sum is σ = 155284704504. Its totient is φ = 129403920400.

The previous prime is 142344312449. The next prime is 142344312491. The reversal of 142344312451 is 154213443241.

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

It is a cyclic number.

It is not a de Polignac number, because 142344312451 - 2¹ = 142344312449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142344312491) 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, 6470196010 + ... + 6470196031.

It is an arithmetic number, because the mean of its divisors is an integer number (38821176126).

Almost surely, 2^142344312451 is an apocalyptic number.

142344312451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142344312451 is a deficient number, since it is larger than the sum of its proper divisors (12940392053).

142344312451 is a wasteful number, since it uses less digits than its factorization.

142344312451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940392052.

The product of its digits is 46080, while the sum is 34.

Adding to 142344312451 its reverse (154213443241), we get a palindrome (296557755692).

The spelling of 142344312451 in words is "one hundred forty-two billion, three hundred forty-four million, three hundred twelve thousand, four hundred fifty-one".