146478178485 has 24 divisors (see below), whose sum is σ = 267258432480. Its totient is φ = 74010026592.

The previous prime is 146478178433. The next prime is 146478178489. The reversal of 146478178485 is 584871874641.

146478178485 is a `hidden beast` number, since 1 + 4 + 6 + 4 + 7 + 81 + 78 + 485 = 666.

It is not a de Polignac number, because 146478178485 - 2¹² = 146478174389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146478178489) 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 23 ways as a sum of consecutive naturals, for example, 85658899 + ... + 85660608.

It is an arithmetic number, because the mean of its divisors is an integer number (11135768020).

Almost surely, 2^146478178485 is an apocalyptic number.

146478178485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146478178485 is a deficient number, since it is larger than the sum of its proper divisors (120780253995).

146478178485 is a wasteful number, since it uses less digits than its factorization.

146478178485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171319537 (or 171319534 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 63.

The spelling of 146478178485 in words is "one hundred forty-six billion, four hundred seventy-eight million, one hundred seventy-eight thousand, four hundred eighty-five".