245925143 has 2 divisors, whose sum is σ = 245925144. Its totient is φ = 245925142.

The previous prime is 245925107. The next prime is 245925149. The reversal of 245925143 is 341529542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245925143 - 2⁶ = 245925079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245925149) 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, 122962571 + 122962572.

It is an arithmetic number, because the mean of its divisors is an integer number (122962572).

Almost surely, 2^245925143 is an apocalyptic number.

245925143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245925143 is an equidigital number, since it uses as much as digits as its factorization.

245925143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 245925143 is about 15682.0006057901. Note that the first 3 decimals coincide. The cubic root of 245925143 is about 626.5190934700.

The spelling of 245925143 in words is "two hundred forty-five million, nine hundred twenty-five thousand, one hundred forty-three".