2150145517 has 16 divisors (see below), whose sum is σ = 2391359152. Its totient is φ = 1920360960.

The previous prime is 2150145511. The next prime is 2150145527. The reversal of 2150145517 is 7155410512.

It can be written as a sum of positive squares in 8 ways, for example, as 2842596 + 2147302921 = 1686^2 + 46339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150145517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150145511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74713 + ... + 99409.

It is an arithmetic number, because the mean of its divisors is an integer number (149459947).

Almost surely, 2^2150145517 is an apocalyptic number.

It is an amenable number.

2150145517 is a deficient number, since it is larger than the sum of its proper divisors (241213635).

2150145517 is a wasteful number, since it uses less digits than its factorization.

2150145517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 2150145517 is about 46369.6616010943. The cubic root of 2150145517 is about 1290.6919983722.

The spelling of 2150145517 in words is "two billion, one hundred fifty million, one hundred forty-five thousand, five hundred seventeen".