255145603 has 2 divisors, whose sum is σ = 255145604. Its totient is φ = 255145602.

The previous prime is 255145591. The next prime is 255145607. The reversal of 255145603 is 306541552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255145603 is a prime.

It is not a weakly prime, because it can be changed into another prime (255145607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127572801 + 127572802.

It is an arithmetic number, because the mean of its divisors is an integer number (127572802).

Almost surely, 2^255145603 is an apocalyptic number.

255145603 is a deficient number, since it is larger than the sum of its proper divisors (1).

255145603 is an equidigital number, since it uses as much as digits as its factorization.

255145603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 255145603 is about 15973.2777788405. The cubic root of 255145603 is about 634.2532424819.

The spelling of 255145603 in words is "two hundred fifty-five million, one hundred forty-five thousand, six hundred three".