147331768 has 8 divisors (see below), whose sum is σ = 276247080. Its totient is φ = 73665880.

The previous prime is 147331763. The next prime is 147331771. The reversal of 147331768 is 867133741.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 147331768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147331763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9208228 + ... + 9208243.

It is an arithmetic number, because the mean of its divisors is an integer number (34530885).

Almost surely, 2^147331768 is an apocalyptic number.

It is an amenable number.

147331768 is a deficient number, since it is larger than the sum of its proper divisors (128915312).

147331768 is a wasteful number, since it uses less digits than its factorization.

147331768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416477 (or 18416473 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 147331768 is about 12138.0298236575. The cubic root of 147331768 is about 528.1599511572.

The spelling of 147331768 in words is "one hundred forty-seven million, three hundred thirty-one thousand, seven hundred sixty-eight".