306145144 has 16 divisors (see below), whose sum is σ = 574209000. Its totient is φ = 153022752.

The previous prime is 306145127. The next prime is 306145171. The reversal of 306145144 is 441541603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40582 + ... + 47530.

Almost surely, 2^306145144 is an apocalyptic number.

It is an amenable number.

306145144 is a deficient number, since it is larger than the sum of its proper divisors (268063856).

306145144 is a wasteful number, since it uses less digits than its factorization.

306145144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462 (or 12458 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 306145144 is about 17497.0038578038. The cubic root of 306145144 is about 673.9729375381.

Adding to 306145144 its reverse (441541603), we get a palindrome (747686747).

It can be divided in two parts, 3061 and 45144, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 306145144 in words is "three hundred six million, one hundred forty-five thousand, one hundred forty-four".