161448748 has 12 divisors (see below), whose sum is σ = 282689512. Its totient is φ = 80680320.

The previous prime is 161448739. The next prime is 161448751. The reversal of 161448748 is 847844161.

It is a happy number.

161448748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938 + ... + 18073.

Almost surely, 2^161448748 is an apocalyptic number.

It is an amenable number.

161448748 is a deficient number, since it is larger than the sum of its proper divisors (121240764).

161448748 is a wasteful number, since it uses less digits than its factorization.

161448748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22032 (or 22030 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 161448748 is about 12706.2483841612. The cubic root of 161448748 is about 544.5171471733.

The spelling of 161448748 in words is "one hundred sixty-one million, four hundred forty-eight thousand, seven hundred forty-eight".