153146209 has 2 divisors, whose sum is σ = 153146210. Its totient is φ = 153146208.

The previous prime is 153146207. The next prime is 153146243. The reversal of 153146209 is 902641351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146531025 + 6615184 = 12105^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 153146209 - 2¹ = 153146207 is a prime.

It is a super-2 number, since 2×153146209² = 46907522662143362, which contains 22 as substring.

Together with 153146207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (153146207) 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, 76573104 + 76573105.

It is an arithmetic number, because the mean of its divisors is an integer number (76573105).

Almost surely, 2^153146209 is an apocalyptic number.

It is an amenable number.

153146209 is a deficient number, since it is larger than the sum of its proper divisors (1).

153146209 is an equidigital number, since it uses as much as digits as its factorization.

153146209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 153146209 is about 12375.2256141050. The cubic root of 153146209 is about 535.0184394029.

The spelling of 153146209 in words is "one hundred fifty-three million, one hundred forty-six thousand, two hundred nine".