1812148 has 12 divisors (see below), whose sum is σ = 3415300. Its totient is φ = 836352.

The previous prime is 1812137. The next prime is 1812157. The reversal of 1812148 is 8412181.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 1669264 = 378^2 + 1292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17373 + ... + 17476.

2^1812148 is an apocalyptic number.

It is an amenable number.

1812148 is a deficient number, since it is larger than the sum of its proper divisors (1603152).

1812148 is a wasteful number, since it uses less digits than its factorization.

1812148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34866 (or 34864 counting only the distinct ones).

The product of its digits is 512, while the sum is 25.

The square root of 1812148 is about 1346.1604659178. The cubic root of 1812148 is about 121.9170806256.

The spelling of 1812148 in words is "one million, eight hundred twelve thousand, one hundred forty-eight".