152304520021 has 8 divisors (see below), whose sum is σ = 161586792000. Its totient is φ = 143058157248.

The previous prime is 152304520013. The next prime is 152304520051. The reversal of 152304520021 is 120025403251.

152304520021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 152304520021 - 2³ = 152304520013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152304520051) 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 7 ways as a sum of consecutive naturals, for example, 8968561 + ... + 8985526.

It is an arithmetic number, because the mean of its divisors is an integer number (20198349000).

Almost surely, 2^152304520021 is an apocalyptic number.

It is an amenable number.

152304520021 is a deficient number, since it is larger than the sum of its proper divisors (9282271979).

152304520021 is a wasteful number, since it uses less digits than its factorization.

152304520021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17954603.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 152304520021 its reverse (120025403251), we get a palindrome (272329923272).

The spelling of 152304520021 in words is "one hundred fifty-two billion, three hundred four million, five hundred twenty thousand, twenty-one".