250142345 has 4 divisors (see below), whose sum is σ = 300170820. Its totient is φ = 200113872.

The previous prime is 250142341. The next prime is 250142363. The reversal of 250142345 is 543241052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190219264 + 59923081 = 13792^2 + 7741^2 .

It is a cyclic number.

It is not a de Polignac number, because 250142345 - 2² = 250142341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (250142341) 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, 25014230 + ... + 25014239.

It is an arithmetic number, because the mean of its divisors is an integer number (75042705).

Almost surely, 2^250142345 is an apocalyptic number.

It is an amenable number.

250142345 is a deficient number, since it is larger than the sum of its proper divisors (50028475).

250142345 is an equidigital number, since it uses as much as digits as its factorization.

250142345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50028474.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 250142345 is about 15815.8890044158. The cubic root of 250142345 is about 630.0800645704.

Adding to 250142345 its reverse (543241052), we get a palindrome (793383397).

The spelling of 250142345 in words is "two hundred fifty million, one hundred forty-two thousand, three hundred forty-five".