1145345203 has 2 divisors, whose sum is σ = 1145345204. Its totient is φ = 1145345202.

The previous prime is 1145345197. The next prime is 1145345207. The reversal of 1145345203 is 3025435411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145345203 is a prime.

It is a super-2 number, since 2×1145345203² = 2623631268070222418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145345207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572672601 + 572672602.

It is an arithmetic number, because the mean of its divisors is an integer number (572672602).

Almost surely, 2^1145345203 is an apocalyptic number.

1145345203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145345203 is an equidigital number, since it uses as much as digits as its factorization.

1145345203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1145345203 is about 33842.9490883995. The cubic root of 1145345203 is about 1046.2740816180.

The spelling of 1145345203 in words is "one billion, one hundred forty-five million, three hundred forty-five thousand, two hundred three".