146453323257 has 12 divisors (see below), whose sum is σ = 212324296704. Its totient is φ = 97275268440.

The previous prime is 146453323243. The next prime is 146453323283. The reversal of 146453323257 is 752323354641.

It is a happy number.

146453323257 is a `hidden beast` number, since 1 + 4 + 64 + 5 + 332 + 3 + 257 = 666.

146453323257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146453323257 - 2⁷ = 146453323129 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (146453393257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30020793 + ... + 30025670.

It is an arithmetic number, because the mean of its divisors is an integer number (17693691392).

Almost surely, 2^146453323257 is an apocalyptic number.

It is an amenable number.

146453323257 is a deficient number, since it is larger than the sum of its proper divisors (65870973447).

146453323257 is a wasteful number, since it uses less digits than its factorization.

146453323257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60046740 (or 60046737 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

Adding to 146453323257 its reverse (752323354641), we get a palindrome (898776677898).

The spelling of 146453323257 in words is "one hundred forty-six billion, four hundred fifty-three million, three hundred twenty-three thousand, two hundred fifty-seven".