152164321 has 4 divisors (see below), whose sum is σ = 152189332. Its totient is φ = 152139312.

The previous prime is 152164319. The next prime is 152164351. The reversal of 152164321 is 123461251.

It is a happy number.

152164321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 96825600 + 55338721 = 9840^2 + 7439^2 .

It is a cyclic number.

It is not a de Polignac number, because 152164321 - 2¹ = 152164319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152164301) 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, 3175 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (38047333).

Almost surely, 2^152164321 is an apocalyptic number.

It is an amenable number.

152164321 is a deficient number, since it is larger than the sum of its proper divisors (25011).

152164321 is a wasteful number, since it uses less digits than its factorization.

152164321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25010.

The product of its digits is 1440, while the sum is 25.

The square root of 152164321 is about 12335.4903023755. The cubic root of 152164321 is about 533.8725738306.

The spelling of 152164321 in words is "one hundred fifty-two million, one hundred sixty-four thousand, three hundred twenty-one".