250122040145 has 32 divisors (see below), whose sum is σ = 324746869248. Its totient is φ = 184216301568.

The previous prime is 250122040139. The next prime is 250122040159. The reversal of 250122040145 is 541040221052.

It is a cyclic number.

It is not a de Polignac number, because 250122040145 - 2¹² = 250122036049 is a prime.

It is a super-2 number, since 2×250122040145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7465922 + ... + 7499348.

It is an arithmetic number, because the mean of its divisors is an integer number (10148339664).

Almost surely, 2^250122040145 is an apocalyptic number.

It is an amenable number.

250122040145 is a deficient number, since it is larger than the sum of its proper divisors (74624829103).

250122040145 is a wasteful number, since it uses less digits than its factorization.

250122040145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35369.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 250122040145 its reverse (541040221052), we get a palindrome (791162261197).

The spelling of 250122040145 in words is "two hundred fifty billion, one hundred twenty-two million, forty thousand, one hundred forty-five".