105420544 has 18 divisors (see below), whose sum is σ = 210429800. Its totient is φ = 52710144.

The previous prime is 105420533. The next prime is 105420559. The reversal of 105420544 is 445024501.

It is a happy number.

It is a super-2 number, since 2×105420544² = 22226982194511872, 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 as a sum of consecutive naturals, namely, 205644 + ... + 206155.

Almost surely, 2^105420544 is an apocalyptic number.

It is an amenable number.

105420544 is a deficient number, since it is larger than the sum of its proper divisors (105009256).

105420544 is an frugal number, since it uses more digits than its factorization.

105420544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411815 (or 411801 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 105420544 is about 10267.4507059932. The cubic root of 105420544 is about 472.3983996248.

The spelling of 105420544 in words is "one hundred five million, four hundred twenty thousand, five hundred forty-four".