105144253 has 2 divisors, whose sum is σ = 105144254. Its totient is φ = 105144252.

The previous prime is 105144241. The next prime is 105144257. The reversal of 105144253 is 352441501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99560484 + 5583769 = 9978^2 + 2363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105144253 is a prime.

It is a super-2 number, since 2×105144253² = 22110627877856018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105144257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52572126 + 52572127.

It is an arithmetic number, because the mean of its divisors is an integer number (52572127).

Almost surely, 2^105144253 is an apocalyptic number.

It is an amenable number.

105144253 is a deficient number, since it is larger than the sum of its proper divisors (1).

105144253 is an equidigital number, since it uses as much as digits as its factorization.

105144253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105144253 is about 10253.9871757283. The cubic root of 105144253 is about 471.9853440939.

Adding to 105144253 its reverse (352441501), we get a palindrome (457585754).

The spelling of 105144253 in words is "one hundred five million, one hundred forty-four thousand, two hundred fifty-three".