425541205343142 has 144 divisors (see below), whose sum is σ = 1075432293608400. Its totient is φ = 121255088814720.

The previous prime is 425541205343063. The next prime is 425541205343173. The reversal of 425541205343142 is 241343502145524.

425541205343142 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 4 + 1 + 205 + 3 + 431 + 4 + 2 = 666.

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, 8099195392 + ... + 8099247932.

It is an arithmetic number, because the mean of its divisors is an integer number (7468279816725).

Almost surely, 2^{425541205343142} is an apocalyptic number.

425541205343142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 425541205343142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537716146804200).

425541205343142 is an abundant number, since it is smaller than the sum of its proper divisors (649891088265258).

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

425541205343142 is a wasteful number, since it uses less digits than its factorization.

425541205343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77171 (or 77161 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 425541205343142 its reverse (241343502145524), we get a palindrome (666884707488666).

The spelling of 425541205343142 in words is "four hundred twenty-five trillion, five hundred forty-one billion, two hundred five million, three hundred forty-three thousand, one hundred forty-two".