250340045 has 8 divisors (see below), whose sum is σ = 318079224. Its totient is φ = 188491264.

The previous prime is 250340021. The next prime is 250340047. The reversal of 250340045 is 540043052.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 248787529 = 1246^2 + 15773^2 .

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 250340045 - 2¹² = 250335949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250340045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250340047) 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, 1472504 + ... + 1472673.

It is an arithmetic number, because the mean of its divisors is an integer number (39759903).

Almost surely, 2^250340045 is an apocalyptic number.

It is an amenable number.

250340045 is a deficient number, since it is larger than the sum of its proper divisors (67739179).

250340045 is a wasteful number, since it uses less digits than its factorization.

250340045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945199.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 250340045 is about 15822.1378138354. The cubic root of 250340045 is about 630.2460154493.

Adding to 250340045 its reverse (540043052), we get a palindrome (790383097).

The spelling of 250340045 in words is "two hundred fifty million, three hundred forty thousand, forty-five".