146475978946 has 8 divisors (see below), whose sum is σ = 239687965584. Its totient is φ = 66579990420.

The previous prime is 146475978899. The next prime is 146475978967. The reversal of 146475978946 is 649879574641.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3328999500 + ... + 3328999543.

It is an arithmetic number, because the mean of its divisors is an integer number (29960995698).

Almost surely, 2^146475978946 is an apocalyptic number.

146475978946 is a deficient number, since it is larger than the sum of its proper divisors (93211986638).

146475978946 is a wasteful number, since it uses less digits than its factorization.

146475978946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657999056.

The product of its digits is 365783040, while the sum is 70.

The spelling of 146475978946 in words is "one hundred forty-six billion, four hundred seventy-five million, nine hundred seventy-eight thousand, nine hundred forty-six".