250142445 has 64 divisors (see below), whose sum is σ = 510935040. Its totient is φ = 113742144.

The previous prime is 250142393. The next prime is 250142447. The reversal of 250142445 is 544241052.

It is not a de Polignac number, because 250142445 - 2⁹ = 250141933 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250142447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210142 + ... + 211328.

It is an arithmetic number, because the mean of its divisors is an integer number (7983360).

Almost surely, 2^250142445 is an apocalyptic number.

It is an amenable number.

250142445 is an abundant number, since it is smaller than the sum of its proper divisors (260792595).

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

250142445 is a wasteful number, since it uses less digits than its factorization.

250142445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 250142445 is about 15815.8921657932. The cubic root of 250142445 is about 630.0801485332.

Adding to 250142445 its reverse (544241052), we get a palindrome (794383497).

The spelling of 250142445 in words is "two hundred fifty million, one hundred forty-two thousand, four hundred forty-five".