10003545 has 48 divisors (see below), whose sum is σ = 18330624. Its totient is φ = 5040000.

The previous prime is 10003541. The next prime is 10003559. The reversal of 10003545 is 54530001.

It is not a de Polignac number, because 10003545 - 2² = 10003541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10003541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98995 + ... + 99095.

It is an arithmetic number, because the mean of its divisors is an integer number (381888).

Almost surely, 2^10003545 is an apocalyptic number.

10003545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10003545 is a deficient number, since it is larger than the sum of its proper divisors (8327079).

10003545 is a wasteful number, since it uses less digits than its factorization.

10003545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 10003545 is about 3162.8381242169. The cubic root of 10003545 is about 215.4689242321.

Adding to 10003545 its reverse (54530001), we get a palindrome (64533546).

The spelling of 10003545 in words is "ten million, three thousand, five hundred forty-five".