442241153 has 2 divisors, whose sum is σ = 442241154. Its totient is φ = 442241152.

The previous prime is 442241123. The next prime is 442241161. The reversal of 442241153 is 351142244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438148624 + 4092529 = 20932^2 + 2023^2 .

It is a cyclic number.

It is not a de Polignac number, because 442241153 - 2¹² = 442237057 is a prime.

It is not a weakly prime, because it can be changed into another prime (442241123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221120576 + 221120577.

It is an arithmetic number, because the mean of its divisors is an integer number (221120577).

Almost surely, 2^442241153 is an apocalyptic number.

It is an amenable number.

442241153 is a deficient number, since it is larger than the sum of its proper divisors (1).

442241153 is an equidigital number, since it uses as much as digits as its factorization.

442241153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 442241153 is about 21029.5304988010. The cubic root of 442241153 is about 761.8796691843.

Adding to 442241153 its reverse (351142244), we get a palindrome (793383397).

The spelling of 442241153 in words is "four hundred forty-two million, two hundred forty-one thousand, one hundred fifty-three".