345405524 has 12 divisors (see below), whose sum is σ = 640016244. Its totient is φ = 162543744.

The previous prime is 345405521. The next prime is 345405547. The reversal of 345405524 is 425504543.

It can be written as a sum of positive squares in 2 ways, for example, as 222904900 + 122500624 = 14930^2 + 11068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345405521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539679 + ... + 2539814.

It is an arithmetic number, because the mean of its divisors is an integer number (53334687).

Almost surely, 2^345405524 is an apocalyptic number.

345405524 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

345405524 is a deficient number, since it is larger than the sum of its proper divisors (294610720).

345405524 is a wasteful number, since it uses less digits than its factorization.

345405524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079514 (or 5079512 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 345405524 is about 18585.0887541599. The cubic root of 345405524 is about 701.6326002334.

The spelling of 345405524 in words is "three hundred forty-five million, four hundred five thousand, five hundred twenty-four".