152807729 has 2 divisors, whose sum is σ = 152807730. Its totient is φ = 152807728.

The previous prime is 152807687. The next prime is 152807783. The reversal of 152807729 is 927708251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119399329 + 33408400 = 10927^2 + 5780^2 .

It is an emirp because it is prime and its reverse (927708251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152807729 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152807789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76403864 + 76403865.

It is an arithmetic number, because the mean of its divisors is an integer number (76403865).

Almost surely, 2^152807729 is an apocalyptic number.

It is an amenable number.

152807729 is a deficient number, since it is larger than the sum of its proper divisors (1).

152807729 is an equidigital number, since it uses as much as digits as its factorization.

152807729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 152807729 is about 12361.5423390449. The cubic root of 152807729 is about 534.6239871070.

The spelling of 152807729 in words is "one hundred fifty-two million, eight hundred seven thousand, seven hundred twenty-nine".