250145136 has 60 divisors (see below), whose sum is σ = 701171640. Its totient is φ = 83249280.

The previous prime is 250145131. The next prime is 250145143. The reversal of 250145136 is 631541052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250145131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138930 + ... + 140718.

It is an arithmetic number, because the mean of its divisors is an integer number (11686194).

Almost surely, 2^250145136 is an apocalyptic number.

It is an amenable number.

250145136 is an abundant number, since it is smaller than the sum of its proper divisors (451026504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250145136 is a wasteful number, since it uses less digits than its factorization.

250145136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2765 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 250145136 is about 15815.9772382234. The cubic root of 250145136 is about 630.0824079653.

Adding to 250145136 its reverse (631541052), we get a palindrome (881686188).

The spelling of 250145136 in words is "two hundred fifty million, one hundred forty-five thousand, one hundred thirty-six".