156147361 has 2 divisors, whose sum is σ = 156147362. Its totient is φ = 156147360.

The previous prime is 156147359. The next prime is 156147379. The reversal of 156147361 is 163741651.

156147361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 46840336 = 10455^2 + 6844^2 .

It is an emirp because it is prime and its reverse (163741651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156147361 - 2¹ = 156147359 is a prime.

Together with 156147359, it forms a pair of twin primes.

It is equal to p_8770507 and since 156147361 and 8770507 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 (156147461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78073680 + 78073681.

It is an arithmetic number, because the mean of its divisors is an integer number (78073681).

Almost surely, 2^156147361 is an apocalyptic number.

It is an amenable number.

156147361 is a deficient number, since it is larger than the sum of its proper divisors (1).

156147361 is an equidigital number, since it uses as much as digits as its factorization.

156147361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 156147361 is about 12495.8937655535. The cubic root of 156147361 is about 538.4907111965.

The spelling of 156147361 in words is "one hundred fifty-six million, one hundred forty-seven thousand, three hundred sixty-one".