1103372445 has 48 divisors (see below), whose sum is σ = 2142944640. Its totient is φ = 482461056.

The previous prime is 1103372441. The next prime is 1103372477. The reversal of 1103372445 is 5442733011.

It is a happy number.

It is not a de Polignac number, because 1103372445 - 2² = 1103372441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103372441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15730 + ... + 49539.

It is an arithmetic number, because the mean of its divisors is an integer number (44644680).

Almost surely, 2^1103372445 is an apocalyptic number.

1103372445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103372445 is a deficient number, since it is larger than the sum of its proper divisors (1039572195).

1103372445 is a wasteful number, since it uses less digits than its factorization.

1103372445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65314 (or 65307 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1103372445 is about 33217.0505162635. The cubic root of 1103372445 is about 1033.3339809801. Note that the first 3 decimals are identical.

The spelling of 1103372445 in words is "one billion, one hundred three million, three hundred seventy-two thousand, four hundred forty-five".