345165525 has 18 divisors (see below), whose sum is σ = 618230210. Its totient is φ = 184088160.

The previous prime is 345165497. The next prime is 345165529. The reversal of 345165525 is 525561543.

It can be written as a sum of positive squares in 3 ways, for example, as 1656369 + 343509156 = 1287^2 + 18534^2 .

It is not a de Polignac number, because 345165525 - 2⁵ = 345165493 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 345165525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345165529) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 766810 + ... + 767259.

Almost surely, 2^345165525 is an apocalyptic number.

It is an amenable number.

345165525 is a deficient number, since it is larger than the sum of its proper divisors (273064685).

345165525 is a wasteful number, since it uses less digits than its factorization.

345165525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534085 (or 1534077 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 345165525 is about 18578.6308699000. The cubic root of 345165525 is about 701.4700568585.

The spelling of 345165525 in words is "three hundred forty-five million, one hundred sixty-five thousand, five hundred twenty-five".