152320330 has 16 divisors (see below), whose sum is σ = 280864584. Its totient is φ = 59441920.

The previous prime is 152320303. The next prime is 152320349. The reversal of 152320330 is 33023251.

It can be written as a sum of positive squares in 4 ways, for example, as 126585001 + 25735329 = 11251^2 + 5073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152320298 and 152320307.

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 7 ways as a sum of consecutive naturals, for example, 185347 + ... + 186166.

Almost surely, 2^152320330 is an apocalyptic number.

152320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152320330 is a deficient number, since it is larger than the sum of its proper divisors (128544254).

152320330 is a wasteful number, since it uses less digits than its factorization.

152320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371561.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 152320330 is about 12341.8122656278. The cubic root of 152320330 is about 534.0549654223.

Adding to 152320330 its reverse (33023251), we get a palindrome (185343581).

The spelling of 152320330 in words is "one hundred fifty-two million, three hundred twenty thousand, three hundred thirty".