345124565 has 8 divisors (see below), whose sum is σ = 438511320. Its totient is φ = 259858432.

The previous prime is 345124561. The next prime is 345124573. The reversal of 345124565 is 565421543.

It can be written as a sum of positive squares in 4 ways, for example, as 197599249 + 147525316 = 14057^2 + 12146^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345124565 - 2² = 345124561 is a prime.

It is a super-2 number, since 2×345124565² = 238221930732878450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345124561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030060 + ... + 2030229.

It is an arithmetic number, because the mean of its divisors is an integer number (54813915).

Almost surely, 2^345124565 is an apocalyptic number.

It is an amenable number.

345124565 is a deficient number, since it is larger than the sum of its proper divisors (93386755).

345124565 is a wasteful number, since it uses less digits than its factorization.

345124565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060311.

The product of its digits is 72000, while the sum is 35.

The square root of 345124565 is about 18577.5284954700. The cubic root of 345124565 is about 701.4423084808.

The spelling of 345124565 in words is "three hundred forty-five million, one hundred twenty-four thousand, five hundred sixty-five".