146840819457 has 16 divisors (see below), whose sum is σ = 204627104640. Its totient is φ = 93543808512.

The previous prime is 146840819443. The next prime is 146840819479. The reversal of 146840819457 is 754918048641.

It is not a de Polignac number, because 146840819457 - 2⁶ = 146840819393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146840819397 and 146840819406.

It is not an unprimeable number, because it can be changed into a prime (146840811457) by changing a digit.

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, 8691693 + ... + 8708570.

It is an arithmetic number, because the mean of its divisors is an integer number (12789194040).

Almost surely, 2^146840819457 is an apocalyptic number.

It is an amenable number.

146840819457 is a deficient number, since it is larger than the sum of its proper divisors (57786285183).

146840819457 is a wasteful number, since it uses less digits than its factorization.

146840819457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17400392.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 146840819457 in words is "one hundred forty-six billion, eight hundred forty million, eight hundred nineteen thousand, four hundred fifty-seven".