254145623 has 2 divisors, whose sum is σ = 254145624. Its totient is φ = 254145622.

The previous prime is 254145611. The next prime is 254145629. The reversal of 254145623 is 326541452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254145623 - 2¹⁶ = 254080087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254145623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254145629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127072811 + 127072812.

It is an arithmetic number, because the mean of its divisors is an integer number (127072812).

Almost surely, 2^254145623 is an apocalyptic number.

254145623 is a deficient number, since it is larger than the sum of its proper divisors (1).

254145623 is an equidigital number, since it uses as much as digits as its factorization.

254145623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 254145623 is about 15941.9453957163. The cubic root of 254145623 is about 633.4235581216.

The spelling of 254145623 in words is "two hundred fifty-four million, one hundred forty-five thousand, six hundred twenty-three".