105424254 has 80 divisors (see below), whose sum is σ = 257230512. Its totient is φ = 32078592.

The previous prime is 105424237. The next prime is 105424271. The reversal of 105424254 is 452424501.

105424254 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (105424237) and next prime (105424271).

It is a super-2 number, since 2×105424254² = 22228546662913032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 237757 + ... + 238199.

Almost surely, 2^105424254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105424254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128615256).

105424254 is an abundant number, since it is smaller than the sum of its proper divisors (151806258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105424254 is a wasteful number, since it uses less digits than its factorization.

105424254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 105424254 is about 10267.6313724247. The cubic root of 105424254 is about 472.4039411680.

Adding to 105424254 its reverse (452424501), we get a palindrome (557848755).

The spelling of 105424254 in words is "one hundred five million, four hundred twenty-four thousand, two hundred fifty-four".