142269170451 has 4 divisors (see below), whose sum is σ = 189692227272. Its totient is φ = 94846113632.

The previous prime is 142269170429. The next prime is 142269170479. The reversal of 142269170451 is 154071962241.

142269170451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142269170451 - 2²⁷ = 142134952723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142219170451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23711528406 + ... + 23711528411.

It is an arithmetic number, because the mean of its divisors is an integer number (47423056818).

Almost surely, 2^142269170451 is an apocalyptic number.

142269170451 is a deficient number, since it is larger than the sum of its proper divisors (47423056821).

142269170451 is an equidigital number, since it uses as much as digits as its factorization.

142269170451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47423056820.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 142269170451 in words is "one hundred forty-two billion, two hundred sixty-nine million, one hundred seventy thousand, four hundred fifty-one".