1145202003 has 32 divisors (see below), whose sum is σ = 1867265280. Its totient is φ = 687899520.

The previous prime is 1145201987. The next prime is 1145202011. The reversal of 1145202003 is 3002025411.

1145202003 is a `hidden beast` number, since 11 + 452 + 0 + 200 + 3 = 666.

It is not a de Polignac number, because 1145202003 - 2⁴ = 1145201987 is a prime.

It is a super-2 number, since 2×1145202003² = 2622975255350424018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145202073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16500 + ... + 50622.

It is an arithmetic number, because the mean of its divisors is an integer number (58352040).

Almost surely, 2^1145202003 is an apocalyptic number.

1145202003 is a deficient number, since it is larger than the sum of its proper divisors (722063277).

1145202003 is a wasteful number, since it uses less digits than its factorization.

1145202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34256 (or 34250 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1145202003 is about 33840.8333673980. The cubic root of 1145202003 is about 1046.2304753490.

Adding to 1145202003 its reverse (3002025411), we get a palindrome (4147227414).

The spelling of 1145202003 in words is "one billion, one hundred forty-five million, two hundred two thousand, three".