1845146 has 8 divisors (see below), whose sum is σ = 2930580. Its totient is φ = 868288.

The previous prime is 1845143. The next prime is 1845149. The reversal of 1845146 is 6415481.

It is an interprime number because it is at equal distance from previous prime (1845143) and next prime (1845149).

It can be written as a sum of positive squares in 2 ways, for example, as 1590121 + 255025 = 1261^2 + 505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1845146² = 6809127522632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1845143) by changing a digit.

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, 27101 + ... + 27168.

2^1845146 is an apocalyptic number.

1845146 is a deficient number, since it is larger than the sum of its proper divisors (1085434).

1845146 is a wasteful number, since it uses less digits than its factorization.

1845146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54288.

The product of its digits is 3840, while the sum is 29.

The square root of 1845146 is about 1358.3615130001. The cubic root of 1845146 is about 122.6526432588.

It can be divided in two parts, 1845 and 146, that added together give a palindrome (1991).

The spelling of 1845146 in words is "one million, eight hundred forty-five thousand, one hundred forty-six".