147768005 has 16 divisors (see below), whose sum is σ = 221076864. Its totient is φ = 92114880.

The previous prime is 147768001. The next prime is 147768011. The reversal of 147768005 is 500867741.

It is not a de Polignac number, because 147768005 - 2² = 147768001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147768005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147768001) 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, 191522 + ... + 192291.

It is an arithmetic number, because the mean of its divisors is an integer number (13817304).

Almost surely, 2^147768005 is an apocalyptic number.

It is an amenable number.

147768005 is a deficient number, since it is larger than the sum of its proper divisors (73308859).

147768005 is a wasteful number, since it uses less digits than its factorization.

147768005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383836.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 147768005 is about 12155.9863853165. The cubic root of 147768005 is about 528.6807166102.

The spelling of 147768005 in words is "one hundred forty-seven million, seven hundred sixty-eight thousand, five".