250145243 has 2 divisors, whose sum is σ = 250145244. Its totient is φ = 250145242.

The previous prime is 250145239. The next prime is 250145257. The reversal of 250145243 is 342541052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250145243 - 2² = 250145239 is a prime.

It is not a weakly prime, because it can be changed into another prime (250145143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125072621 + 125072622.

It is an arithmetic number, because the mean of its divisors is an integer number (125072622).

Almost surely, 2^250145243 is an apocalyptic number.

250145243 is a deficient number, since it is larger than the sum of its proper divisors (1).

250145243 is an equidigital number, since it uses as much as digits as its factorization.

250145243 is an evil number, because the sum of its binary digits is even.

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

The square root of 250145243 is about 15815.9806208784. The cubic root of 250145243 is about 630.0824978049.

Adding to 250145243 its reverse (342541052), we get a palindrome (592686295).

The spelling of 250145243 in words is "two hundred fifty million, one hundred forty-five thousand, two hundred forty-three".