250105142 has 32 divisors (see below), whose sum is σ = 440985600. Its totient is φ = 104162400.

The previous prime is 250105133. The next prime is 250105147. The reversal of 250105142 is 241501052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250105147) 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, 96767 + ... + 99317.

It is an arithmetic number, because the mean of its divisors is an integer number (13780800).

Almost surely, 2^250105142 is an apocalyptic number.

250105142 is a deficient number, since it is larger than the sum of its proper divisors (190880458).

250105142 is a wasteful number, since it uses less digits than its factorization.

250105142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 250105142 is about 15814.7128333081. The cubic root of 250105142 is about 630.0488263157.

Adding to 250105142 its reverse (241501052), we get a palindrome (491606194).

The spelling of 250105142 in words is "two hundred fifty million, one hundred five thousand, one hundred forty-two".