250434145 has 16 divisors (see below), whose sum is σ = 323970192. Its totient is φ = 184746240.

The previous prime is 250434139. The next prime is 250434161. The reversal of 250434145 is 541434052.

It can be written as a sum of positive squares in 8 ways, for example, as 20729809 + 229704336 = 4553^2 + 15156^2 .

It is not a de Polignac number, because 250434145 - 2⁹ = 250433633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112059 + ... + 114271.

It is an arithmetic number, because the mean of its divisors is an integer number (20248137).

Almost surely, 2^250434145 is an apocalyptic number.

It is an amenable number.

250434145 is a deficient number, since it is larger than the sum of its proper divisors (73536047).

250434145 is a wasteful number, since it uses less digits than its factorization.

250434145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 250434145 is about 15825.1112160389. Note that the first 3 decimals coincide. The cubic root of 250434145 is about 630.3249730138.

Adding to 250434145 its reverse (541434052), we get a palindrome (791868197).

The spelling of 250434145 in words is "two hundred fifty million, four hundred thirty-four thousand, one hundred forty-five".