345543523522542 has 24 divisors (see below), whose sum is σ = 752556793033344. Its totient is φ = 114584380856064.

The previous prime is 345543523522531. The next prime is 345543523522663. The reversal of 345543523522542 is 245225325345543.

345543523522542 is a `hidden beast` number, since 3 + 4 + 5 + 5 + 4 + 3 + 523 + 52 + 25 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49732800718 + ... + 49732807665.

It is an arithmetic number, because the mean of its divisors is an integer number (31356533043056).

Almost surely, 2^{345543523522542} is an apocalyptic number.

345543523522542 is an abundant number, since it is smaller than the sum of its proper divisors (407013269510802).

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

345543523522542 is a wasteful number, since it uses less digits than its factorization.

345543523522542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99465608584 (or 99465608581 counting only the distinct ones).

The product of its digits is 86400000, while the sum is 54.

The spelling of 345543523522542 in words is "three hundred forty-five trillion, five hundred forty-three billion, five hundred twenty-three million, five hundred twenty-two thousand, five hundred forty-two".