345288011605 has 8 divisors (see below), whose sum is σ = 427711601664. Its totient is φ = 267319750800.

The previous prime is 345288011603. The next prime is 345288011609. The reversal of 345288011605 is 506110882543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345288011605 - 2¹ = 345288011603 is a prime.

It is a super-2 number, since 2×345288011605² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345288011603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113832141 + ... + 1113832450.

It is an arithmetic number, because the mean of its divisors is an integer number (53463950208).

Almost surely, 2^345288011605 is an apocalyptic number.

It is an amenable number.

345288011605 is a deficient number, since it is larger than the sum of its proper divisors (82423590059).

345288011605 is a wasteful number, since it uses less digits than its factorization.

345288011605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227664627.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 345288011605 in words is "three hundred forty-five billion, two hundred eighty-eight million, eleven thousand, six hundred five".