105402254 has 8 divisors (see below), whose sum is σ = 158612688. Its totient is φ = 52531360.

The previous prime is 105402251. The next prime is 105402259. The reversal of 105402254 is 452204501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105402254² = 22219270296561032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105402251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84107 + ... + 85350.

It is an arithmetic number, because the mean of its divisors is an integer number (19826586).

Almost surely, 2^105402254 is an apocalyptic number.

105402254 is a deficient number, since it is larger than the sum of its proper divisors (53210434).

105402254 is a wasteful number, since it uses less digits than its factorization.

105402254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169770.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 105402254 is about 10266.5599886233. The cubic root of 105402254 is about 472.3710783642.

Adding to 105402254 its reverse (452204501), we get a palindrome (557606755).

The spelling of 105402254 in words is "one hundred five million, four hundred two thousand, two hundred fifty-four".