1145134403 has 8 divisors (see below), whose sum is σ = 1318141440. Its totient is φ = 974481480.

The previous prime is 1145134379. The next prime is 1145134411. The reversal of 1145134403 is 3044315411.

It is a happy number.

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

It is not a de Polignac number, because 1145134403 - 2¹² = 1145130307 is a prime.

It is a super-2 number, since 2×1145134403² = 2622665601868332818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145134493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587483 + ... + 589428.

It is an arithmetic number, because the mean of its divisors is an integer number (164767680).

Almost surely, 2^1145134403 is an apocalyptic number.

1145134403 is a deficient number, since it is larger than the sum of its proper divisors (173007037).

1145134403 is a wasteful number, since it uses less digits than its factorization.

1145134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177057.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1145134403 is about 33839.8345592883. The cubic root of 1145134403 is about 1046.2098890036.

Adding to 1145134403 its reverse (3044315411), we get a palindrome (4189449814).

It can be divided in two parts, 11451 and 34403, that added together give a palindrome (45854).

The spelling of 1145134403 in words is "one billion, one hundred forty-five million, one hundred thirty-four thousand, four hundred three".