146623329428 has 12 divisors (see below), whose sum is σ = 257278740180. Its totient is φ = 73115117952.

The previous prime is 146623329421. The next prime is 146623329469. The reversal of 146623329428 is 824923326641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67323643024 + 79299686404 = 259468^2 + 281602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146623329421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49135013 + ... + 49137996.

It is an arithmetic number, because the mean of its divisors is an integer number (21439895015).

Almost surely, 2^146623329428 is an apocalyptic number.

It is an amenable number.

146623329428 is a deficient number, since it is larger than the sum of its proper divisors (110655410752).

146623329428 is a wasteful number, since it uses less digits than its factorization.

146623329428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98273386 (or 98273384 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 50.

The spelling of 146623329428 in words is "one hundred forty-six billion, six hundred twenty-three million, three hundred twenty-nine thousand, four hundred twenty-eight".