152036321 has 4 divisors (see below), whose sum is σ = 160979652. Its totient is φ = 143092992.

The previous prime is 152036303. The next prime is 152036341. The reversal of 152036321 is 123630251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123630251 = 263 ⋅470077.

It can be written as a sum of positive squares in 2 ways, for example, as 57168721 + 94867600 = 7561^2 + 9740^2 .

It is a cyclic number.

It is not a de Polignac number, because 152036321 - 2⁶ = 152036257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152036341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471640 + ... + 4471673.

It is an arithmetic number, because the mean of its divisors is an integer number (40244913).

Almost surely, 2^152036321 is an apocalyptic number.

It is an amenable number.

152036321 is a deficient number, since it is larger than the sum of its proper divisors (8943331).

152036321 is an equidigital number, since it uses as much as digits as its factorization.

152036321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943330.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 152036321 is about 12330.3009290122. The cubic root of 152036321 is about 533.7228346995.

Adding to 152036321 its reverse (123630251), we get a palindrome (275666572).

The spelling of 152036321 in words is "one hundred fifty-two million, thirty-six thousand, three hundred twenty-one".