448142299 has 4 divisors (see below), whose sum is σ = 488882520. Its totient is φ = 407402080.

The previous prime is 448142251. The next prime is 448142311. The reversal of 448142299 is 992241844.

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 448142299 - 2⁷ = 448142171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448142399) 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, 20370094 + ... + 20370115.

It is an arithmetic number, because the mean of its divisors is an integer number (122220630).

Almost surely, 2^448142299 is an apocalyptic number.

448142299 is a deficient number, since it is larger than the sum of its proper divisors (40740221).

448142299 is a wasteful number, since it uses less digits than its factorization.

448142299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40740220.

The product of its digits is 165888, while the sum is 43.

The square root of 448142299 is about 21169.3717195386. The cubic root of 448142299 is about 765.2534788765.

The spelling of 448142299 in words is "four hundred forty-eight million, one hundred forty-two thousand, two hundred ninety-nine".