308576142 has 80 divisors (see below), whose sum is σ = 824643072. Its totient is φ = 84324240.

The previous prime is 308576069. The next prime is 308576161. The reversal of 308576142 is 241675803.

308576142 is a `hidden beast` number, since 30 + 8 + 5 + 7 + 614 + 2 = 666.

308576142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 308576097 and 308576106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20167 + ... + 31997.

Almost surely, 2^308576142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308576142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412321536).

308576142 is an abundant number, since it is smaller than the sum of its proper divisors (516066930).

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

308576142 is a wasteful number, since it uses less digits than its factorization.

308576142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11875 (or 11866 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 308576142 is about 17566.3354744238. The cubic root of 308576142 is about 675.7521689359.

It can be divided in two parts, 3085761 and 42, that added together give a palindrome (3085803).

The spelling of 308576142 in words is "three hundred eight million, five hundred seventy-six thousand, one hundred forty-two".