345513015 has 96 divisors (see below), whose sum is σ = 673246080. Its totient is φ = 163012608.

The previous prime is 345513013. The next prime is 345513017. The reversal of 345513015 is 510315543.

It is an interprime number because it is at equal distance from previous prime (345513013) and next prime (345513017).

It is not a de Polignac number, because 345513015 - 2¹ = 345513013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345513015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345513013) 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 95 ways as a sum of consecutive naturals, for example, 1284301 + ... + 1284569.

It is an arithmetic number, because the mean of its divisors is an integer number (7012980).

Almost surely, 2^345513015 is an apocalyptic number.

345513015 is a deficient number, since it is larger than the sum of its proper divisors (327733065).

345513015 is a wasteful number, since it uses less digits than its factorization.

345513015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 345513015 is about 18587.9803905642. The cubic root of 345513015 is about 701.7053759153.

Adding to 345513015 its reverse (510315543), we get a palindrome (855828558).

The spelling of 345513015 in words is "three hundred forty-five million, five hundred thirteen thousand, fifteen".