38665045 has 8 divisors (see below), whose sum is σ = 46567224. Its totient is φ = 30819264.

The previous prime is 38665031. The next prime is 38665051. The reversal of 38665045 is 54056683.

It can be written as a sum of positive squares in 4 ways, for example, as 6482116 + 32182929 = 2546^2 + 5673^2 .

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 38665045 - 2¹¹ = 38662997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38664995 and 38665013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12574 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (5820903).

Almost surely, 2^38665045 is an apocalyptic number.

It is an amenable number.

38665045 is a deficient number, since it is larger than the sum of its proper divisors (7902179).

38665045 is a wasteful number, since it uses less digits than its factorization.

38665045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28199.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 38665045 is about 6218.1223050049. The cubic root of 38665045 is about 338.1474940704.

It can be divided in two parts, 3866 and 5045, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 38665045 in words is "thirty-eight million, six hundred sixty-five thousand, forty-five".