147443449 has 2 divisors, whose sum is σ = 147443450. Its totient is φ = 147443448.

The previous prime is 147443407. The next prime is 147443459. The reversal of 147443449 is 944344741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126967824 + 20475625 = 11268^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 147443449 - 2⁹ = 147442937 is a prime.

It is not a weakly prime, because it can be changed into another prime (147443459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73721724 + 73721725.

It is an arithmetic number, because the mean of its divisors is an integer number (73721725).

Almost surely, 2^147443449 is an apocalyptic number.

It is an amenable number.

147443449 is a deficient number, since it is larger than the sum of its proper divisors (1).

147443449 is an equidigital number, since it uses as much as digits as its factorization.

147443449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 147443449 is about 12142.6294104695. The cubic root of 147443449 is about 528.2933700717.

The spelling of 147443449 in words is "one hundred forty-seven million, four hundred forty-three thousand, four hundred forty-nine".