448944142 has 4 divisors (see below), whose sum is σ = 673416216. Its totient is φ = 224472070.

The previous prime is 448944131. The next prime is 448944151. The reversal of 448944142 is 241449844.

It is a happy number.

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

It is a super-2 number, since 2×448944142² = 403101685272232328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448944095 and 448944104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112236034 + ... + 112236037.

It is an arithmetic number, because the mean of its divisors is an integer number (168354054).

Almost surely, 2^448944142 is an apocalyptic number.

448944142 is a deficient number, since it is larger than the sum of its proper divisors (224472074).

448944142 is a wasteful number, since it uses less digits than its factorization.

448944142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224472073.

The product of its digits is 147456, while the sum is 40.

The square root of 448944142 is about 21188.3020084196. The cubic root of 448944142 is about 765.7096193620.

The spelling of 448944142 in words is "four hundred forty-eight million, nine hundred forty-four thousand, one hundred forty-two".