345517242 has 32 divisors (see below), whose sum is σ = 831321600. Its totient is φ = 93523248.

The previous prime is 345517241. The next prime is 345517267. The reversal of 345517242 is 242715543.

It is not an unprimeable number, because it can be changed into a prime (345517241) 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 15 ways as a sum of consecutive naturals, for example, 215692 + ... + 217287.

It is an arithmetic number, because the mean of its divisors is an integer number (25978800).

Almost surely, 2^345517242 is an apocalyptic number.

345517242 is an abundant number, since it is smaller than the sum of its proper divisors (485804358).

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

345517242 is a wasteful number, since it uses less digits than its factorization.

345517242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433010.

The product of its digits is 33600, while the sum is 33.

The square root of 345517242 is about 18588.0940927251. The cubic root of 345517242 is about 701.7082374540.

The spelling of 345517242 in words is "three hundred forty-five million, five hundred seventeen thousand, two hundred forty-two".