845146 has 4 divisors (see below), whose sum is σ = 1267722. Its totient is φ = 422572.

The previous prime is 845137. The next prime is 845167. The reversal of 845146 is 641548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 837225 + 7921 = 915^2 + 89^2 .

It is a super-2 number, since 2×845146² = 1428543522632, 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 as a sum of consecutive naturals, namely, 211285 + ... + 211288.

2⁸⁴⁵¹⁴⁶ is an apocalyptic number.

845146 is a deficient number, since it is larger than the sum of its proper divisors (422576).

845146 is a wasteful number, since it uses less digits than its factorization.

845146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422575.

The product of its digits is 3840, while the sum is 28.

The square root of 845146 is about 919.3182256433. The cubic root of 845146 is about 94.5461640950.

It can be divided in two parts, 8 and 45146, that added together give a palindrome (45154).

The spelling of 845146 in words is "eight hundred forty-five thousand, one hundred forty-six".