1103445153 has 8 divisors (see below), whose sum is σ = 1634733600. Its totient is φ = 735630084.

The previous prime is 1103445149. The next prime is 1103445169. The reversal of 1103445153 is 3515443011.

It is a happy number.

1103445153 is a `hidden beast` number, since 1 + 103 + 44 + 515 + 3 = 666.

It is not a de Polignac number, because 1103445153 - 2² = 1103445149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 40868339 = 1103445153 / (1 + 1 + 0 + 3 + 4 + 4 + 5 + 1 + 5 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103445143) 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 7 ways as a sum of consecutive naturals, for example, 20434143 + ... + 20434196.

It is an arithmetic number, because the mean of its divisors is an integer number (204341700).

Almost surely, 2^1103445153 is an apocalyptic number.

It is an amenable number.

1103445153 is a deficient number, since it is larger than the sum of its proper divisors (531288447).

1103445153 is an equidigital number, since it uses as much as digits as its factorization.

1103445153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868348 (or 40868342 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1103445153 is about 33218.1449361640. The cubic root of 1103445153 is about 1033.3566780597.

Adding to 1103445153 its reverse (3515443011), we get a palindrome (4618888164).

The spelling of 1103445153 in words is "one billion, one hundred three million, four hundred forty-five thousand, one hundred fifty-three".