1855148 has 6 divisors (see below), whose sum is σ = 3246516. Its totient is φ = 927572.

The previous prime is 1855123. The next prime is 1855153. The reversal of 1855148 is 8415581.

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, 231890 + ... + 231897.

It is an arithmetic number, because the mean of its divisors is an integer number (541086).

2^1855148 is an apocalyptic number.

It is an amenable number.

1855148 is a deficient number, since it is larger than the sum of its proper divisors (1391368).

1855148 is a wasteful number, since it uses less digits than its factorization.

1855148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463791 (or 463789 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

The square root of 1855148 is about 1362.0381786132. The cubic root of 1855148 is about 122.8738654514.

The spelling of 1855148 in words is "one million, eight hundred fifty-five thousand, one hundred forty-eight".