152220305 has 16 divisors (see below), whose sum is σ = 192593280. Its totient is φ = 115178112.

The previous prime is 152220287. The next prime is 152220319. The reversal of 152220305 is 503022251.

It is a cyclic number.

It is not a de Polignac number, because 152220305 - 2⁶ = 152220241 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91037 + ... + 92693.

It is an arithmetic number, because the mean of its divisors is an integer number (12037080).

Almost surely, 2^152220305 is an apocalyptic number.

It is an amenable number.

152220305 is a deficient number, since it is larger than the sum of its proper divisors (40372975).

152220305 is a wasteful number, since it uses less digits than its factorization.

152220305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 152220305 is about 12337.7593184500. The cubic root of 152220305 is about 533.9380395877.

Adding to 152220305 its reverse (503022251), we get a palindrome (655242556).

The spelling of 152220305 in words is "one hundred fifty-two million, two hundred twenty thousand, three hundred five".