306442148 has 12 divisors (see below), whose sum is σ = 540189132. Its totient is φ = 152102400.

The previous prime is 306442079. The next prime is 306442151. The reversal of 306442148 is 841244603.

It can be written as a sum of positive squares in 2 ways, for example, as 171138724 + 135303424 = 13082^2 + 11632^2 .

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, 279053 + ... + 280148.

It is an arithmetic number, because the mean of its divisors is an integer number (45015761).

Almost surely, 2^306442148 is an apocalyptic number.

It is an amenable number.

306442148 is a deficient number, since it is larger than the sum of its proper divisors (233746984).

306442148 is a wasteful number, since it uses less digits than its factorization.

306442148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559342 (or 559340 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 306442148 is about 17505.4890819994. The cubic root of 306442148 is about 674.1908167208.

The spelling of 306442148 in words is "three hundred six million, four hundred forty-two thousand, one hundred forty-eight".