818374148 has 12 divisors (see below), whose sum is σ = 1440731712. Its totient is φ = 406736520.

The previous prime is 818374133. The next prime is 818374181. The reversal of 818374148 is 841473818.

It is a super-2 number, since 2×818374148² = 1339472492229451808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 818374099 and 818374108.

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, 611888 + ... + 613223.

It is an arithmetic number, because the mean of its divisors is an integer number (120060976).

Almost surely, 2^818374148 is an apocalyptic number.

It is an amenable number.

818374148 is a deficient number, since it is larger than the sum of its proper divisors (622357564).

818374148 is a wasteful number, since it uses less digits than its factorization.

818374148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225282 (or 1225280 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 818374148 is about 28607.2394334022. The cubic root of 818374148 is about 935.3711426574.

The spelling of 818374148 in words is "eight hundred eighteen million, three hundred seventy-four thousand, one hundred forty-eight".