448145149 has 8 divisors (see below), whose sum is σ = 464922360. Its totient is φ = 431456256.

The previous prime is 448145063. The next prime is 448145167. The reversal of 448145149 is 941541844.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 822649 + 447322500 = 907^2 + 21150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448145149 - 2¹³ = 448136957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448145249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11652 + ... + 32125.

It is an arithmetic number, because the mean of its divisors is an integer number (58115295).

Almost surely, 2^448145149 is an apocalyptic number.

It is an amenable number.

448145149 is a deficient number, since it is larger than the sum of its proper divisors (16777211).

448145149 is a wasteful number, since it uses less digits than its factorization.

448145149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44159.

The product of its digits is 92160, while the sum is 40.

The square root of 448145149 is about 21169.4390336636. The cubic root of 448145149 is about 765.2551011051.

The spelling of 448145149 in words is "four hundred forty-eight million, one hundred forty-five thousand, one hundred forty-nine".