1145975503 has 4 divisors (see below), whose sum is σ = 1148429880. Its totient is φ = 1143521128.

The previous prime is 1145975489. The next prime is 1145975527. The reversal of 1145975503 is 3055795411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145975503 is a prime.

It is a super-2 number, since 2×1145975503² = 2626519706952206018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145975563) 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, 1226488 + ... + 1227421.

It is an arithmetic number, because the mean of its divisors is an integer number (287107470).

Almost surely, 2^1145975503 is an apocalyptic number.

1145975503 is a deficient number, since it is larger than the sum of its proper divisors (2454377).

1145975503 is an equidigital number, since it uses as much as digits as its factorization.

1145975503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454376.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 1145975503 is about 33852.2599393305. The cubic root of 1145975503 is about 1046.4659729993.

The spelling of 1145975503 in words is "one billion, one hundred forty-five million, nine hundred seventy-five thousand, five hundred three".