818995148 has 48 divisors (see below), whose sum is σ = 1532926080. Its totient is φ = 382120704.

The previous prime is 818995147. The next prime is 818995181. The reversal of 818995148 is 841599818.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 818995148.

It is not an unprimeable number, because it can be changed into a prime (818995147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741965 + ... + 743067.

It is an arithmetic number, because the mean of its divisors is an integer number (31935960).

Almost surely, 2^818995148 is an apocalyptic number.

It is an amenable number.

818995148 is a deficient number, since it is larger than the sum of its proper divisors (713930932).

818995148 is a wasteful number, since it uses less digits than its factorization.

818995148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1344 counting only the distinct ones).

The product of its digits is 829440, while the sum is 53.

The square root of 818995148 is about 28618.0912710824. The cubic root of 818995148 is about 935.6076761217.

The spelling of 818995148 in words is "eight hundred eighteen million, nine hundred ninety-five thousand, one hundred forty-eight".