152021330 has 16 divisors (see below), whose sum is σ = 274869504. Its totient is φ = 60534960.

The previous prime is 152021323. The next prime is 152021339. The reversal of 152021330 is 33120251.

It is a super-2 number, since 2×152021330² = 46220969549937800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152021299 and 152021308.

It is not an unprimeable number, because it can be changed into a prime (152021339) 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 7 ways as a sum of consecutive naturals, for example, 31856 + ... + 36315.

It is an arithmetic number, because the mean of its divisors is an integer number (17179344).

Almost surely, 2^152021330 is an apocalyptic number.

152021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152021330 is a deficient number, since it is larger than the sum of its proper divisors (122848174).

152021330 is a wasteful number, since it uses less digits than its factorization.

152021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68401.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 152021330 is about 12329.6930213205. The cubic root of 152021330 is about 533.7052921764.

Adding to 152021330 its reverse (33120251), we get a palindrome (185141581).

The spelling of 152021330 in words is "one hundred fifty-two million, twenty-one thousand, three hundred thirty".