7996145 has 4 divisors (see below), whose sum is σ = 9595380. Its totient is φ = 6396912.

The previous prime is 7996133. The next prime is 7996187. The reversal of 7996145 is 5416997.

7996145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5416997 = 29 ⋅186793.

It can be written as a sum of positive squares in 2 ways, for example, as 3964081 + 4032064 = 1991^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 7996145 - 2⁶ = 7996081 is a prime.

It is a super-2 number, since 2×7996145² = 127876669722050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799610 + ... + 799619.

It is an arithmetic number, because the mean of its divisors is an integer number (2398845).

Almost surely, 2^7996145 is an apocalyptic number.

It is an amenable number.

7996145 is a deficient number, since it is larger than the sum of its proper divisors (1599235).

7996145 is a wasteful number, since it uses less digits than its factorization.

7996145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599234.

The product of its digits is 68040, while the sum is 41.

The square root of 7996145 is about 2827.7455684697. The cubic root of 7996145 is about 199.9678698385.

The spelling of 7996145 in words is "seven million, nine hundred ninety-six thousand, one hundred forty-five".