250140045 has 8 divisors (see below), whose sum is σ = 400224096. Its totient is φ = 133408016.

The previous prime is 250140043. The next prime is 250140053. The reversal of 250140045 is 540041052.

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

It is a cyclic number.

It is not a de Polignac number, because 250140045 - 2¹ = 250140043 is a prime.

It is a super-2 number, since 2×250140045² = 125140084225204050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250140041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8337987 + ... + 8338016.

It is an arithmetic number, because the mean of its divisors is an integer number (50028012).

Almost surely, 2^250140045 is an apocalyptic number.

It is an amenable number.

250140045 is a deficient number, since it is larger than the sum of its proper divisors (150084051).

250140045 is a wasteful number, since it uses less digits than its factorization.

250140045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676011.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 250140045 is about 15815.8162925598. The cubic root of 250140045 is about 630.0781334185.

Adding to 250140045 its reverse (540041052), we get a palindrome (790181097).

The spelling of 250140045 in words is "two hundred fifty million, one hundred forty thousand, forty-five".