345505524 has 96 divisors (see below), whose sum is σ = 1016553216. Its totient is φ = 88888320.

The previous prime is 345505493. The next prime is 345505541. The reversal of 345505524 is 425505543.

It is a super-2 number, since 2×345505524² = 238748134229029152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 40914 + ... + 48630.

It is an arithmetic number, because the mean of its divisors is an integer number (10589096).

Almost surely, 2^345505524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345505524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508276608).

345505524 is an abundant number, since it is smaller than the sum of its proper divisors (671047692).

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

345505524 is a wasteful number, since it uses less digits than its factorization.

345505524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785 (or 7783 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 345505524 is about 18587.7788882911. The cubic root of 345505524 is about 701.7003046997.

The spelling of 345505524 in words is "three hundred forty-five million, five hundred five thousand, five hundred twenty-four".