345524340 has 96 divisors (see below), whose sum is σ = 1121347584. Its totient is φ = 77857920.

The previous prime is 345524279. The next prime is 345524353. The reversal of 345524340 is 43425543.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 345524298 and 345524307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24027 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (11680704).

Almost surely, 2^345524340 is an apocalyptic number.

345524340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345524340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560673792).

345524340 is an abundant number, since it is smaller than the sum of its proper divisors (775823244).

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

345524340 is a wasteful number, since it uses less digits than its factorization.

345524340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677 (or 11675 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 345524340 is about 18588.2850204100. The cubic root of 345524340 is about 701.7130425118.

Adding to 345524340 its reverse (43425543), we get a palindrome (388949883).

The spelling of 345524340 in words is "three hundred forty-five million, five hundred twenty-four thousand, three hundred forty".