11403045 has 16 divisors (see below), whose sum is σ = 20272320. Its totient is φ = 6081552.

The previous prime is 11403017. The next prime is 11403047. The reversal of 11403045 is 54030411.

It is a happy number.

It is not a de Polignac number, because 11403045 - 2⁵ = 11403013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42099 + ... + 42368.

It is an arithmetic number, because the mean of its divisors is an integer number (1267020).

Almost surely, 2^11403045 is an apocalyptic number.

11403045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11403045 is a deficient number, since it is larger than the sum of its proper divisors (8869275).

11403045 is an equidigital number, since it uses as much as digits as its factorization.

11403045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84481 (or 84475 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11403045 is about 3376.8394987029. The cubic root of 11403045 is about 225.0817480731.

Adding to 11403045 its reverse (54030411), we get a palindrome (65433456).

The spelling of 11403045 in words is "eleven million, four hundred three thousand, forty-five".