142540551405 has 72 divisors (see below), whose sum is σ = 287580582432. Its totient is φ = 65122335936.

The previous prime is 142540551343. The next prime is 142540551473. The reversal of 142540551405 is 504155045241.

142540551405 is a `hidden beast` number, since 1 + 4 + 25 + 40 + 551 + 40 + 5 = 666.

It is not a de Polignac number, because 142540551405 - 2³⁴ = 125360682221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142540551405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3833634 + ... + 3870636.

It is an arithmetic number, because the mean of its divisors is an integer number (3994174756).

Almost surely, 2^142540551405 is an apocalyptic number.

142540551405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142540551405 is an abundant number, since it is smaller than the sum of its proper divisors (145040031027).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142540551405 is a wasteful number, since it uses less digits than its factorization.

142540551405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38775 (or 38765 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 142540551405 its reverse (504155045241), we get a palindrome (646695596646).

The spelling of 142540551405 in words is "one hundred forty-two billion, five hundred forty million, five hundred fifty-one thousand, four hundred five".