1145112403 has 8 divisors (see below), whose sum is σ = 1177305536. Its totient is φ = 1113172200.

The previous prime is 1145112377. The next prime is 1145112407. The reversal of 1145112403 is 3042115411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145112403 is a prime.

It is a super-2 number, since 2×1145112403² = 2622564831008868818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145112407) 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 7 ways as a sum of consecutive naturals, for example, 54033 + ... + 72178.

It is an arithmetic number, because the mean of its divisors is an integer number (147163192).

Almost surely, 2^1145112403 is an apocalyptic number.

1145112403 is a deficient number, since it is larger than the sum of its proper divisors (32193133).

1145112403 is a wasteful number, since it uses less digits than its factorization.

1145112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126465.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1145112403 is about 33839.5094970362. The cubic root of 1145112403 is about 1046.2031891307.

Adding to 1145112403 its reverse (3042115411), we get a palindrome (4187227814).

The spelling of 1145112403 in words is "one billion, one hundred forty-five million, one hundred twelve thousand, four hundred three".