1103303145 has 64 divisors (see below), whose sum is σ = 2181758976. Its totient is φ = 464563200.

The previous prime is 1103303119. The next prime is 1103303161. The reversal of 1103303145 is 5413033011.

It is not a de Polignac number, because 1103303145 - 2⁶ = 1103303081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon 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 63 ways as a sum of consecutive naturals, for example, 77320 + ... + 90470.

It is an arithmetic number, because the mean of its divisors is an integer number (34089984).

Almost surely, 2^1103303145 is an apocalyptic number.

1103303145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103303145 is a deficient number, since it is larger than the sum of its proper divisors (1078455831).

1103303145 is a wasteful number, since it uses less digits than its factorization.

1103303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13230.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1103303145 is about 33216.0073609096. The cubic root of 1103303145 is about 1033.3123468394.

Adding to 1103303145 its reverse (5413033011), we get a palindrome (6516336156).

The spelling of 1103303145 in words is "one billion, one hundred three million, three hundred three thousand, one hundred forty-five".