103604645 has 8 divisors (see below), whose sum is σ = 124398456. Its totient is φ = 82835136.

The previous prime is 103604621. The next prime is 103604651. The reversal of 103604645 is 546406301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11175649 + 92428996 = 3343^2 + 9614^2 .

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 103604645 - 2¹⁶ = 103539109 is a prime.

It is a super-3 number, since 3×103604645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5219 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (15549807).

Almost surely, 2^103604645 is an apocalyptic number.

It is an amenable number.

103604645 is a deficient number, since it is larger than the sum of its proper divisors (20793811).

103604645 is a wasteful number, since it uses less digits than its factorization.

103604645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 103604645 is about 10178.6366965326. The cubic root of 103604645 is about 469.6702757558.

The spelling of 103604645 in words is "one hundred three million, six hundred four thousand, six hundred forty-five".