345186510242 has 24 divisors (see below), whose sum is σ = 602469676764. Its totient is φ = 147899143392.

The previous prime is 345186510241. The next prime is 345186510307. The reversal of 345186510242 is 242015681543.

It can be written as a sum of positive squares in 2 ways, for example, as 343467495721 + 1719014521 = 586061^2 + 41461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345186510242.

It is not an unprimeable number, because it can be changed into a prime (345186510241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65753 + ... + 833484.

Almost surely, 2^345186510242 is an apocalyptic number.

345186510242 is a deficient number, since it is larger than the sum of its proper divisors (257283166522).

345186510242 is a wasteful number, since it uses less digits than its factorization.

345186510242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903170 (or 903163 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 345186510242 in words is "three hundred forty-five billion, one hundred eighty-six million, five hundred ten thousand, two hundred forty-two".