152216849 has 2 divisors, whose sum is σ = 152216850. Its totient is φ = 152216848.

The previous prime is 152216833. The next prime is 152216863. The reversal of 152216849 is 948612251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97160449 + 55056400 = 9857^2 + 7420^2 .

It is an emirp because it is prime and its reverse (948612251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152216849 - 2⁴ = 152216833 is a prime.

It is a Chen prime.

It is equal to p_8561837 and since 152216849 and 8561837 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (152216749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76108424 + 76108425.

It is an arithmetic number, because the mean of its divisors is an integer number (76108425).

Almost surely, 2^152216849 is an apocalyptic number.

It is an amenable number.

152216849 is a deficient number, since it is larger than the sum of its proper divisors (1).

152216849 is an equidigital number, since it uses as much as digits as its factorization.

152216849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 152216849 is about 12337.6192598086. The cubic root of 152216849 is about 533.9339987255.

The spelling of 152216849 in words is "one hundred fifty-two million, two hundred sixteen thousand, eight hundred forty-nine".