142478426431 has 8 divisors (see below), whose sum is σ = 163611590400. Its totient is φ = 122708692440.

The previous prime is 142478426417. The next prime is 142478426459. The reversal of 142478426431 is 134624874241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142478426431 - 2¹¹ = 142478424383 is a prime.

It is a super-2 number, since 2×142478426431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142478426131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340857271 + ... + 340857688.

It is an arithmetic number, because the mean of its divisors is an integer number (20451448800).

Almost surely, 2^142478426431 is an apocalyptic number.

142478426431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142478426431 is a deficient number, since it is larger than the sum of its proper divisors (21133163969).

142478426431 is a wasteful number, since it uses less digits than its factorization.

142478426431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681714989.

The product of its digits is 1032192, while the sum is 46.

The spelling of 142478426431 in words is "one hundred forty-two billion, four hundred seventy-eight million, four hundred twenty-six thousand, four hundred thirty-one".