250122145 has 16 divisors (see below), whose sum is σ = 369411840. Its totient is φ = 158318784.

The previous prime is 250122097. The next prime is 250122151. The reversal of 250122145 is 541221052.

It is not a de Polignac number, because 250122145 - 2¹³ = 250113953 is a prime.

It is a super-2 number, since 2×250122145² = 125122174838802050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274405 + ... + 275314.

It is an arithmetic number, because the mean of its divisors is an integer number (23088240).

Almost surely, 2^250122145 is an apocalyptic number.

It is an amenable number.

250122145 is a deficient number, since it is larger than the sum of its proper divisors (119289695).

250122145 is a wasteful number, since it uses less digits than its factorization.

250122145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549744.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 250122145 is about 15815.2503932122. The cubic root of 250122145 is about 630.0631036144.

Adding to 250122145 its reverse (541221052), we get a palindrome (791343197).

The spelling of 250122145 in words is "two hundred fifty million, one hundred twenty-two thousand, one hundred forty-five".