1145140003 has 4 divisors (see below), whose sum is σ = 1308731440. Its totient is φ = 981548568.

The previous prime is 1145139971. The next prime is 1145140019. The reversal of 1145140003 is 3000415411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1145140003 - 2⁵ = 1145139971 is a prime.

It is a super-2 number, since 2×1145140003² = 2622691252941680018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145140033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81795708 + ... + 81795721.

It is an arithmetic number, because the mean of its divisors is an integer number (327182860).

Almost surely, 2^1145140003 is an apocalyptic number.

1145140003 is a deficient number, since it is larger than the sum of its proper divisors (163591437).

1145140003 is an equidigital number, since it uses as much as digits as its factorization.

1145140003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163591436.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1145140003 is about 33839.9173019084. The cubic root of 1145140003 is about 1046.2115944121.

Adding to 1145140003 its reverse (3000415411), we get a palindrome (4145555414).

The spelling of 1145140003 in words is "one billion, one hundred forty-five million, one hundred forty thousand, three".