8959145 has 16 divisors (see below), whose sum is σ = 11640720. Its totient is φ = 6580224.

The previous prime is 8959141. The next prime is 8959147. The reversal of 8959145 is 5419598.

8959145 = 2116² + 2117².

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 179776 + 8779369 = 424^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 8959145 - 2² = 8959141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8959141) 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, 21701 + ... + 22109.

It is an arithmetic number, because the mean of its divisors is an integer number (727545).

Almost surely, 2^8959145 is an apocalyptic number.

8959145 is the 2117-th centered square number.

It is an amenable number.

8959145 is a deficient number, since it is larger than the sum of its proper divisors (2681575).

8959145 is a wasteful number, since it uses less digits than its factorization.

8959145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 64800, while the sum is 41.

The square root of 8959145 is about 2993.1830882858. The cubic root of 8959145 is about 207.6931573424.

The spelling of 8959145 in words is "eight million, nine hundred fifty-nine thousand, one hundred forty-five".