146473888778 has 32 divisors (see below), whose sum is σ = 254677229568. Its totient is φ = 61880036400.

The previous prime is 146473888727. The next prime is 146473888783. The reversal of 146473888778 is 877888374641.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is an unprimeable number.

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, 10202201 + ... + 10216547.

It is an arithmetic number, because the mean of its divisors is an integer number (7958663424).

Almost surely, 2^146473888778 is an apocalyptic number.

146473888778 is a deficient number, since it is larger than the sum of its proper divisors (108203340790).

146473888778 is a wasteful number, since it uses less digits than its factorization.

146473888778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24698.

The product of its digits is 404619264, while the sum is 71.

The spelling of 146473888778 in words is "one hundred forty-six billion, four hundred seventy-three million, eight hundred eighty-eight thousand, seven hundred seventy-eight".