142454355471 has 24 divisors (see below), whose sum is σ = 209398001280. Its totient is φ = 93304037376.

The previous prime is 142454355443. The next prime is 142454355479. The reversal of 142454355471 is 174553454241.

It is a happy number.

142454355471 is a `hidden beast` number, since 1 + 4 + 24 + 5 + 4 + 3 + 554 + 71 = 666.

142454355471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142454355471 - 2⁷ = 142454355343 is a prime.

It is a super-3 number, since 3×142454355471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142454355479) 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 23 ways as a sum of consecutive naturals, for example, 252991 + ... + 590688.

It is an arithmetic number, because the mean of its divisors is an integer number (8724916720).

Almost surely, 2^142454355471 is an apocalyptic number.

142454355471 is a deficient number, since it is larger than the sum of its proper divisors (66943645809).

142454355471 is a wasteful number, since it uses less digits than its factorization.

142454355471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844015 (or 844012 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The spelling of 142454355471 in words is "one hundred forty-two billion, four hundred fifty-four million, three hundred fifty-five thousand, four hundred seventy-one".