152212157 has 2 divisors, whose sum is σ = 152212158. Its totient is φ = 152212156.

The previous prime is 152212133. The next prime is 152212163. The reversal of 152212157 is 751212251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 54479161 = 9886^2 + 7381^2 .

It is an emirp because it is prime and its reverse (751212251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152212157 - 2⁸ = 152211901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152212187) 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, 76106078 + 76106079.

It is an arithmetic number, because the mean of its divisors is an integer number (76106079).

Almost surely, 2^152212157 is an apocalyptic number.

It is an amenable number.

152212157 is a deficient number, since it is larger than the sum of its proper divisors (1).

152212157 is an equidigital number, since it uses as much as digits as its factorization.

152212157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 26.

The square root of 152212157 is about 12337.4291082056. The cubic root of 152212157 is about 533.9285125959.

The spelling of 152212157 in words is "one hundred fifty-two million, two hundred twelve thousand, one hundred fifty-seven".