250155243 has 16 divisors (see below), whose sum is σ = 399108640. Its totient is φ = 153941472.

The previous prime is 250155233. The next prime is 250155259. The reversal of 250155243 is 342551052.

It is a happy number.

It is not a de Polignac number, because 250155243 - 2⁵ = 250155211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250155233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355996 + ... + 356697.

It is an arithmetic number, because the mean of its divisors is an integer number (24944290).

Almost surely, 2^250155243 is an apocalyptic number.

250155243 is a deficient number, since it is larger than the sum of its proper divisors (148953397).

250155243 is a wasteful number, since it uses less digits than its factorization.

250155243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712715 (or 712709 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 250155243 is about 15816.2967536652. The cubic root of 250155243 is about 630.0908939150.

The spelling of 250155243 in words is "two hundred fifty million, one hundred fifty-five thousand, two hundred forty-three".