255142403 has 2 divisors, whose sum is σ = 255142404. Its totient is φ = 255142402.

The previous prime is 255142379. The next prime is 255142439. The reversal of 255142403 is 304241552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255142403 - 2¹⁰ = 255141379 is a prime.

It is a super-2 number, since 2×255142403² = 130195291617228818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255142003) 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, 127571201 + 127571202.

It is an arithmetic number, because the mean of its divisors is an integer number (127571202).

Almost surely, 2^255142403 is an apocalyptic number.

255142403 is a deficient number, since it is larger than the sum of its proper divisors (1).

255142403 is an equidigital number, since it uses as much as digits as its factorization.

255142403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 255142403 is about 15973.1776112332. The cubic root of 255142403 is about 634.2505908994.

Adding to 255142403 its reverse (304241552), we get a palindrome (559383955).

The spelling of 255142403 in words is "two hundred fifty-five million, one hundred forty-two thousand, four hundred three".