250730146 has 8 divisors (see below), whose sum is σ = 378801360. Its totient is φ = 124463028.

The previous prime is 250730089. The next prime is 250730149. The reversal of 250730146 is 641037052.

250730146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×250730146² = 125731212226362632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250730149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450676 + ... + 451231.

It is an arithmetic number, because the mean of its divisors is an integer number (47350170).

Almost surely, 2^250730146 is an apocalyptic number.

250730146 is a deficient number, since it is larger than the sum of its proper divisors (128071214).

250730146 is a wasteful number, since it uses less digits than its factorization.

250730146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902048.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 250730146 is about 15834.4607107410. The cubic root of 250730146 is about 630.5732130749.

Adding to 250730146 its reverse (641037052), we get a palindrome (891767198).

The spelling of 250730146 in words is "two hundred fifty million, seven hundred thirty thousand, one hundred forty-six".