308040144 has 40 divisors (see below), whose sum is σ = 806680512. Its totient is φ = 101272320.

The previous prime is 308040113. The next prime is 308040157. The reversal of 308040144 is 441040803.

308040144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40452 + ... + 47459.

Almost surely, 2^308040144 is an apocalyptic number.

It is an amenable number.

308040144 is an abundant number, since it is smaller than the sum of its proper divisors (498640368).

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

308040144 is a wasteful number, since it uses less digits than its factorization.

308040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87995 (or 87989 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 308040144 is about 17551.0724458650. The cubic root of 308040144 is about 675.3606807642.

Adding to 308040144 its reverse (441040803), we get a palindrome (749080947).

The spelling of 308040144 in words is "three hundred eight million, forty thousand, one hundred forty-four".