345182681438 has 48 divisors (see below), whose sum is σ = 628768379904. Its totient is φ = 139195532160.

The previous prime is 345182681429. The next prime is 345182681447. The reversal of 345182681438 is 834186281543.

It is an interprime number because it is at equal distance from previous prime (345182681429) and next prime (345182681447).

It is a super-3 number, since 3×345182681438³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345182681438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18565895 + ... + 18584477.

It is an arithmetic number, because the mean of its divisors is an integer number (13099341248).

Almost surely, 2^345182681438 is an apocalyptic number.

345182681438 is a deficient number, since it is larger than the sum of its proper divisors (283585698466).

345182681438 is a wasteful number, since it uses less digits than its factorization.

345182681438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23217 (or 23200 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 345182681438 in words is "three hundred forty-five billion, one hundred eighty-two million, six hundred eighty-one thousand, four hundred thirty-eight".