442834148 has 12 divisors (see below), whose sum is σ = 775380732. Its totient is φ = 221296800.

The previous prime is 442834127. The next prime is 442834169. The reversal of 442834148 is 841438244.

It is an interprime number because it is at equal distance from previous prime (442834127) and next prime (442834169).

It can be written as a sum of positive squares in 2 ways, for example, as 177209344 + 265624804 = 13312^2 + 16298^2 .

It is a super-2 number, since 2×442834148² = 392204165269771808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 21515 + ... + 36722.

It is an arithmetic number, because the mean of its divisors is an integer number (64615061).

Almost surely, 2^442834148 is an apocalyptic number.

It is an amenable number.

442834148 is a deficient number, since it is larger than the sum of its proper divisors (332546584).

442834148 is a wasteful number, since it uses less digits than its factorization.

442834148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60142 (or 60140 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 442834148 is about 21043.6248778579. The cubic root of 442834148 is about 762.2200483706.

The spelling of 442834148 in words is "four hundred forty-two million, eight hundred thirty-four thousand, one hundred forty-eight".