1813148 has 12 divisors (see below), whose sum is σ = 3259032. Its totient is φ = 882000.

The previous prime is 1813139. The next prime is 1813157. The reversal of 1813148 is 8413181.

It is an interprime number because it is at equal distance from previous prime (1813139) and next prime (1813157).

It is an Ulam number.

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, 5978 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (271586).

2^1813148 is an apocalyptic number.

It is an amenable number.

1813148 is a deficient number, since it is larger than the sum of its proper divisors (1445884).

1813148 is a wasteful number, since it uses less digits than its factorization.

1813148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12292 (or 12290 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 1813148 is about 1346.5318414356. The cubic root of 1813148 is about 121.9395023890.

It can be divided in two parts, 1813 and 148, that multiplied together give a square (268324 = 518²).

The spelling of 1813148 in words is "one million, eight hundred thirteen thousand, one hundred forty-eight".