161452147 has 2 divisors, whose sum is σ = 161452148. Its totient is φ = 161452146.

The previous prime is 161452133. The next prime is 161452153. The reversal of 161452147 is 741254161.

It is a strong prime.

It is an emirp because it is prime and its reverse (741254161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161452147 - 2²⁷ = 27234419 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (161453147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80726073 + 80726074.

It is an arithmetic number, because the mean of its divisors is an integer number (80726074).

Almost surely, 2^161452147 is an apocalyptic number.

161452147 is a deficient number, since it is larger than the sum of its proper divisors (1).

161452147 is an equidigital number, since it uses as much as digits as its factorization.

161452147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 161452147 is about 12706.3821365485. The cubic root of 161452147 is about 544.5209684083.

The spelling of 161452147 in words is "one hundred sixty-one million, four hundred fifty-two thousand, one hundred forty-seven".