148345668 has 42 divisors (see below), whose sum is σ = 389236974. Its totient is φ = 49447584.

The previous prime is 148345649. The next prime is 148345733. The reversal of 148345668 is 866543841.

148345668 is a `hidden beast` number, since 1 + 4 + 83 + 4 + 566 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131056704 + 17288964 = 11448^2 + 4158^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 22521 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (9267547).

Almost surely, 2^148345668 is an apocalyptic number.

148345668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

148345668 is an abundant number, since it is smaller than the sum of its proper divisors (240891306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148345668 is an equidigital number, since it uses as much as digits as its factorization.

148345668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50895 (or 50878 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 148345668 is about 12179.7236421850. The cubic root of 148345668 is about 529.3687369736.

It can be divided in two parts, 1483456 and 68, that added together give a square (1483524 = 1218²).

The spelling of 148345668 in words is "one hundred forty-eight million, three hundred forty-five thousand, six hundred sixty-eight".