42144353 has 2 divisors, whose sum is σ = 42144354. Its totient is φ = 42144352.

The previous prime is 42144331. The next prime is 42144391. The reversal of 42144353 is 35344124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30393169 + 11751184 = 5513^2 + 3428^2 .

It is a cyclic number.

It is not a de Polignac number, because 42144353 - 2¹² = 42140257 is a prime.

It is a super-2 number, since 2×42144353² = 3552292979577218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42144253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21072176 + 21072177.

It is an arithmetic number, because the mean of its divisors is an integer number (21072177).

Almost surely, 2^42144353 is an apocalyptic number.

It is an amenable number.

42144353 is a deficient number, since it is larger than the sum of its proper divisors (1).

42144353 is an equidigital number, since it uses as much as digits as its factorization.

42144353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 42144353 is about 6491.8682210901. The cubic root of 42144353 is about 348.0004431447. Note that the first 3 decimals are identical.

Adding to 42144353 its reverse (35344124), we get a palindrome (77488477).

The spelling of 42144353 in words is "forty-two million, one hundred forty-four thousand, three hundred fifty-three".