1103244145 has 16 divisors (see below), whose sum is σ = 1332047808. Its totient is φ = 877176000.

The previous prime is 1103244143. The next prime is 1103244167. The reversal of 1103244145 is 5414423011.

It is not a de Polignac number, because 1103244145 - 2¹ = 1103244143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103244143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 987127 + ... + 988243.

It is an arithmetic number, because the mean of its divisors is an integer number (83252988).

Almost surely, 2^1103244145 is an apocalyptic number.

It is an amenable number.

1103244145 is a deficient number, since it is larger than the sum of its proper divisors (228803663).

1103244145 is a wasteful number, since it uses less digits than its factorization.

1103244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1103244145 is about 33215.1192230285. The cubic root of 1103244145 is about 1033.2939274486.

Adding to 1103244145 its reverse (5414423011), we get a palindrome (6517667156).

The spelling of 1103244145 in words is "one billion, one hundred three million, two hundred forty-four thousand, one hundred forty-five".