152347849 has 2 divisors, whose sum is σ = 152347850. Its totient is φ = 152347848.

The previous prime is 152347847. The next prime is 152347879. The reversal of 152347849 is 948743251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111936400 + 40411449 = 10580^2 + 6357^2 .

It is a cyclic number.

It is not a de Polignac number, because 152347849 - 2¹ = 152347847 is a prime.

Together with 152347847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (152347847) 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, 76173924 + 76173925.

It is an arithmetic number, because the mean of its divisors is an integer number (76173925).

Almost surely, 2^152347849 is an apocalyptic number.

It is an amenable number.

152347849 is a deficient number, since it is larger than the sum of its proper divisors (1).

152347849 is an equidigital number, since it uses as much as digits as its factorization.

152347849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 152347849 is about 12342.9270839619. The cubic root of 152347849 is about 534.0871252214.

The spelling of 152347849 in words is "one hundred fifty-two million, three hundred forty-seven thousand, eight hundred forty-nine".