1145426203 has 2 divisors, whose sum is σ = 1145426204. Its totient is φ = 1145426202.

The previous prime is 1145426189. The next prime is 1145426209. The reversal of 1145426203 is 3026245411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145426203 - 2²¹ = 1143329051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145426209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572713101 + 572713102.

It is an arithmetic number, because the mean of its divisors is an integer number (572713102).

Almost surely, 2^1145426203 is an apocalyptic number.

1145426203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145426203 is an equidigital number, since it uses as much as digits as its factorization.

1145426203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1145426203 is about 33844.1457714625. The cubic root of 1145426203 is about 1046.2987455657.

The spelling of 1145426203 in words is "one billion, one hundred forty-five million, four hundred twenty-six thousand, two hundred three".