307412144 has 40 divisors (see below), whose sum is σ = 642740112. Its totient is φ = 141592320.

The previous prime is 307412143. The next prime is 307412167. The reversal of 307412144 is 441214703.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (307412143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126299 + ... + 128709.

Almost surely, 2^307412144 is an apocalyptic number.

It is an amenable number.

307412144 is an abundant number, since it is smaller than the sum of its proper divisors (335327968).

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

307412144 is a wasteful number, since it uses less digits than its factorization.

307412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 307412144 is about 17533.1726735352. The cubic root of 307412144 is about 674.9014169699.

Adding to 307412144 its reverse (441214703), we get a palindrome (748626847).

The spelling of 307412144 in words is "three hundred seven million, four hundred twelve thousand, one hundred forty-four".