105549455 has 16 divisors (see below), whose sum is σ = 140241024. Its totient is φ = 75614880.

The previous prime is 105549383. The next prime is 105549463. The reversal of 105549455 is 554945501.

It is a de Polignac number, because none of the positive numbers 2^k-105549455 is a prime.

It is a super-2 number, since 2×105549455² = 22281374901594050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10637 + ... + 18006.

It is an arithmetic number, because the mean of its divisors is an integer number (8765064).

Almost surely, 2^105549455 is an apocalyptic number.

105549455 is a deficient number, since it is larger than the sum of its proper divisors (34691569).

105549455 is a wasteful number, since it uses less digits than its factorization.

105549455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28726.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 105549455 is about 10273.7264417542. The cubic root of 105549455 is about 472.5908749000.

The spelling of 105549455 in words is "one hundred five million, five hundred forty-nine thousand, four hundred fifty-five".