146475978945 has 32 divisors (see below), whose sum is σ = 240807160704. Its totient is φ = 75987072000.

The previous prime is 146475978899. The next prime is 146475978967. The reversal of 146475978945 is 549879574641.

It is not a de Polignac number, because 146475978945 - 2⁸ = 146475978689 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146475978945.

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 31 ways as a sum of consecutive naturals, for example, 315706 + ... + 626595.

It is an arithmetic number, because the mean of its divisors is an integer number (7525223772).

Almost surely, 2^146475978945 is an apocalyptic number.

146475978945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146475978945 is a deficient number, since it is larger than the sum of its proper divisors (94331181759).

146475978945 is a wasteful number, since it uses less digits than its factorization.

146475978945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942593.

The product of its digits is 304819200, while the sum is 69.

The spelling of 146475978945 in words is "one hundred forty-six billion, four hundred seventy-five million, nine hundred seventy-eight thousand, nine hundred forty-five".