69208045 has 8 divisors (see below), whose sum is σ = 83906424. Its totient is φ = 54795264.

The previous prime is 69208043. The next prime is 69208049. The reversal of 69208045 is 54080296.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11417641 + 57790404 = 3379^2 + 7602^2 .

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 69208045 - 2¹ = 69208043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69208045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69208043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70864 + ... + 71833.

It is an arithmetic number, because the mean of its divisors is an integer number (10488303).

Almost surely, 2^69208045 is an apocalyptic number.

It is an amenable number.

69208045 is a deficient number, since it is larger than the sum of its proper divisors (14698379).

69208045 is a wasteful number, since it uses less digits than its factorization.

69208045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142799.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 69208045 is about 8319.1372749823. The cubic root of 69208045 is about 410.5684065449.

The spelling of 69208045 in words is "sixty-nine million, two hundred eight thousand, forty-five".