69135345 has 24 divisors (see below), whose sum is σ = 126885096. Its totient is φ = 34702848.

The previous prime is 69135343. The next prime is 69135359. The reversal of 69135345 is 54353196.

It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 68409441 = 852^2 + 8271^2 .

It is not a de Polignac number, because 69135345 - 2¹ = 69135343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69135343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44422 + ... + 45951.

It is an arithmetic number, because the mean of its divisors is an integer number (5286879).

Almost surely, 2^69135345 is an apocalyptic number.

It is an amenable number.

69135345 is a deficient number, since it is larger than the sum of its proper divisors (57749751).

69135345 is a wasteful number, since it uses less digits than its factorization.

69135345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90401 (or 90398 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 69135345 is about 8314.7666834374. The cubic root of 69135345 is about 410.4245948406.

The spelling of 69135345 in words is "sixty-nine million, one hundred thirty-five thousand, three hundred forty-five".