1448161971 has 4 divisors (see below), whose sum is σ = 1930882632. Its totient is φ = 965441312.

The previous prime is 1448161963. The next prime is 1448161999. The reversal of 1448161971 is 1791618441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1448161971 - 2³ = 1448161963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1448161921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241360326 + ... + 241360331.

It is an arithmetic number, because the mean of its divisors is an integer number (482720658).

Almost surely, 2^1448161971 is an apocalyptic number.

1448161971 is a deficient number, since it is larger than the sum of its proper divisors (482720661).

1448161971 is an equidigital number, since it uses as much as digits as its factorization.

1448161971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482720660.

The product of its digits is 48384, while the sum is 42.

The square root of 1448161971 is about 38054.7233730584. The cubic root of 1448161971 is about 1131.3727465437.

The spelling of 1448161971 in words is "one billion, four hundred forty-eight million, one hundred sixty-one thousand, nine hundred seventy-one".