8126145 has 24 divisors (see below), whose sum is σ = 14250600. Its totient is φ = 4283136.

The previous prime is 8126143. The next prime is 8126147. The reversal of 8126145 is 5416218.

It is an interprime number because it is at equal distance from previous prime (8126143) and next prime (8126147).

It can be written as a sum of positive squares in 4 ways, for example, as 1896129 + 6230016 = 1377^2 + 2496^2 .

It is not a de Polignac number, because 8126145 - 2¹ = 8126143 is a prime.

It is a super-2 number, since 2×8126145² = 132068465122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8126143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2991 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (593775).

Almost surely, 2^8126145 is an apocalyptic number.

It is an amenable number.

8126145 is a deficient number, since it is larger than the sum of its proper divisors (6124455).

8126145 is a wasteful number, since it uses less digits than its factorization.

8126145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2126 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 8126145 is about 2850.6394019588. The cubic root of 8126145 is about 201.0457310366.

The spelling of 8126145 in words is "eight million, one hundred twenty-six thousand, one hundred forty-five".