142321553240251 has 12 divisors (see below), whose sum is σ = 180608427489240. Its totient is φ = 110899911615360.

The previous prime is 142321553240249. The next prime is 142321553240281. The reversal of 142321553240251 is 152042355123241.

It is not a de Polignac number, because 142321553240251 - 2¹ = 142321553240249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142321553240281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132023703766 + ... + 132023704843.

It is an arithmetic number, because the mean of its divisors is an integer number (15050702290770).

Almost surely, 2^{142321553240251} is an apocalyptic number.

142321553240251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142321553240251 is a deficient number, since it is larger than the sum of its proper divisors (38286874248989).

142321553240251 is a wasteful number, since it uses less digits than its factorization.

142321553240251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264047408634 (or 264047408627 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 142321553240251 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred fifty-three million, two hundred forty thousand, two hundred fifty-one".