445228142 has 8 divisors (see below), whose sum is σ = 678790632. Its totient is φ = 218964600.

The previous prime is 445228139. The next prime is 445228151. The reversal of 445228142 is 241822544.

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

It is a junction number, because it is equal to n+sod(n) for n = 445228099 and 445228108.

It is a congruent number.

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, 1824584 + ... + 1824827.

It is an arithmetic number, because the mean of its divisors is an integer number (84848829).

Almost surely, 2^445228142 is an apocalyptic number.

445228142 is a deficient number, since it is larger than the sum of its proper divisors (233562490).

445228142 is a wasteful number, since it uses less digits than its factorization.

445228142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649474.

The product of its digits is 20480, while the sum is 32.

The square root of 445228142 is about 21100.4299008338. The cubic root of 445228142 is about 763.5911198552.

The spelling of 445228142 in words is "four hundred forty-five million, two hundred twenty-eight thousand, one hundred forty-two".