152450321 has 2 divisors, whose sum is σ = 152450322. Its totient is φ = 152450320.

The previous prime is 152450299. The next prime is 152450359. The reversal of 152450321 is 123054251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105678400 + 46771921 = 10280^2 + 6839^2 .

It is a cyclic number.

It is not a de Polignac number, because 152450321 - 2⁶ = 152450257 is a prime.

It is a super-2 number, since 2×152450321² = 46482200746006082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152450021) by changing a digit.

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 as a sum of consecutive naturals, namely, 76225160 + 76225161.

It is an arithmetic number, because the mean of its divisors is an integer number (76225161).

Almost surely, 2^152450321 is an apocalyptic number.

It is an amenable number.

152450321 is a deficient number, since it is larger than the sum of its proper divisors (1).

152450321 is an equidigital number, since it uses as much as digits as its factorization.

152450321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 152450321 is about 12347.0774274725. The cubic root of 152450321 is about 534.2068440321.

The spelling of 152450321 in words is "one hundred fifty-two million, four hundred fifty thousand, three hundred twenty-one".