442144153 has 4 divisors (see below), whose sum is σ = 482339088. Its totient is φ = 401949220.

The previous prime is 442144151. The next prime is 442144159. The reversal of 442144153 is 351441244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442144153 - 2¹ = 442144151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442144151) 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, 20097451 + ... + 20097472.

It is an arithmetic number, because the mean of its divisors is an integer number (120584772).

Almost surely, 2^442144153 is an apocalyptic number.

It is an amenable number.

442144153 is a deficient number, since it is larger than the sum of its proper divisors (40194935).

442144153 is a wasteful number, since it uses less digits than its factorization.

442144153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40194934.

The product of its digits is 7680, while the sum is 28.

The square root of 442144153 is about 21027.2240916389. The cubic root of 442144153 is about 761.8239622235.

Adding to 442144153 its reverse (351441244), we get a palindrome (793585397).

The spelling of 442144153 in words is "four hundred forty-two million, one hundred forty-four thousand, one hundred fifty-three".