146578785147 has 6 divisors (see below), whose sum is σ = 211724911892. Its totient is φ = 97719190092.

The previous prime is 146578785137. The next prime is 146578785167. The reversal of 146578785147 is 741587875641.

146578785147 is a `hidden beast` number, since 1 + 4 + 6 + 578 + 7 + 8 + 51 + 4 + 7 = 666.

It is not a de Polignac number, because 146578785147 - 2¹⁹ = 146578260859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146578785127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8143265833 + ... + 8143265850.

Almost surely, 2^146578785147 is an apocalyptic number.

146578785147 is a deficient number, since it is larger than the sum of its proper divisors (65146126745).

146578785147 is a wasteful number, since it uses less digits than its factorization.

146578785147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286531689 (or 16286531686 counting only the distinct ones).

The product of its digits is 52684800, while the sum is 63.

The spelling of 146578785147 in words is "one hundred forty-six billion, five hundred seventy-eight million, seven hundred eighty-five thousand, one hundred forty-seven".