946145 has 4 divisors (see below), whose sum is σ = 1135380. Its totient is φ = 756912.

The previous prime is 946133. The next prime is 946163. The reversal of 946145 is 541649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541649 = 163 ⋅3323.

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 192721 = 868^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 946145 - 2⁶ = 946081 is a prime.

It is a super-2 number, since 2×946145² = 1790380722050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94610 + ... + 94619.

It is an arithmetic number, because the mean of its divisors is an integer number (283845).

2⁹⁴⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

946145 is a deficient number, since it is larger than the sum of its proper divisors (189235).

946145 is a wasteful number, since it uses less digits than its factorization.

946145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189234.

The product of its digits is 4320, while the sum is 29.

The square root of 946145 is about 972.6998509304. The cubic root of 946145 is about 98.1716068640.

Subtracting from 946145 its reverse (541649), we obtain a square (404496 = 636²).

The spelling of 946145 in words is "nine hundred forty-six thousand, one hundred forty-five".