1808886148 has 6 divisors (see below), whose sum is σ = 3165550766. Its totient is φ = 904443072.

The previous prime is 1808886119. The next prime is 1808886161. The reversal of 1808886148 is 8416888081.

It can be written as a sum of positive squares in only one way, i.e., 1753264384 + 55621764 = 41872^2 + 7458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1808886095 and 1808886104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226110765 + ... + 226110772.

Almost surely, 2^1808886148 is an apocalyptic number.

It is an amenable number.

1808886148 is a deficient number, since it is larger than the sum of its proper divisors (1356664618).

1808886148 is a wasteful number, since it uses less digits than its factorization.

1808886148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452221541 (or 452221539 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 52.

The square root of 1808886148 is about 42531.0021983964. The cubic root of 1808886148 is about 1218.4388676641.

The spelling of 1808886148 in words is "one billion, eight hundred eight million, eight hundred eighty-six thousand, one hundred forty-eight".