148161812 has 12 divisors (see below), whose sum is σ = 268224180. Its totient is φ = 71526336.

The previous prime is 148161799. The next prime is 148161833. The reversal of 148161812 is 218161841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83101456 + 65060356 = 9116^2 + 8066^2 .

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 638513 + ... + 638744.

It is an arithmetic number, because the mean of its divisors is an integer number (22352015).

Almost surely, 2^148161812 is an apocalyptic number.

It is an amenable number.

148161812 is a deficient number, since it is larger than the sum of its proper divisors (120062368).

148161812 is a wasteful number, since it uses less digits than its factorization.

148161812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277290 (or 1277288 counting only the distinct ones).

The product of its digits is 3072, while the sum is 32.

The square root of 148161812 is about 12172.1736760531. The cubic root of 148161812 is about 529.1499509989.

The spelling of 148161812 in words is "one hundred forty-eight million, one hundred sixty-one thousand, eight hundred twelve".