108047142 has 32 divisors (see below), whose sum is σ = 274406400. Its totient is φ = 30870504.

The previous prime is 108047131. The next prime is 108047143. The reversal of 108047142 is 241740801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108047143) 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 15 ways as a sum of consecutive naturals, for example, 142542 + ... + 143297.

It is an arithmetic number, because the mean of its divisors is an integer number (8575200).

Almost surely, 2^108047142 is an apocalyptic number.

108047142 is an abundant number, since it is smaller than the sum of its proper divisors (166359258).

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

108047142 is a wasteful number, since it uses less digits than its factorization.

108047142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285857 (or 285851 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 108047142 is about 10394.5727184911. The cubic root of 108047142 is about 476.2895955671.

Adding to 108047142 its reverse (241740801), we get a palindrome (349787943).

The spelling of 108047142 in words is "one hundred eight million, forty-seven thousand, one hundred forty-two".