152068509 has 10 divisors (see below), whose sum is σ = 227164190. Its totient is φ = 101378952.

The previous prime is 152068487. The next prime is 152068537. The reversal of 152068509 is 905860251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80192025 + 71876484 = 8955^2 + 8478^2 .

It is not a de Polignac number, because 152068509 - 2¹¹ = 152066461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152068559) 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 in 9 ways as a sum of consecutive naturals, for example, 938614 + ... + 938775.

It is an arithmetic number, because the mean of its divisors is an integer number (22716419).

Almost surely, 2^152068509 is an apocalyptic number.

It is an amenable number.

152068509 is a deficient number, since it is larger than the sum of its proper divisors (75095681).

152068509 is an equidigital number, since it uses as much as digits as its factorization.

152068509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877401 (or 1877392 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 152068509 is about 12331.6060997747. The cubic root of 152068509 is about 533.7604973191.

The spelling of 152068509 in words is "one hundred fifty-two million, sixty-eight thousand, five hundred nine".