105174489 has 32 divisors (see below), whose sum is σ = 163215360. Its totient is φ = 59006592.

The previous prime is 105174479. The next prime is 105174491. The reversal of 105174489 is 984471501.

It is not a de Polignac number, because 105174489 - 2¹² = 105170393 is a prime.

It is a super-2 number, since 2×105174489² = 22123346272822242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105174409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399772 + ... + 400034.

It is an arithmetic number, because the mean of its divisors is an integer number (5100480).

Almost surely, 2^105174489 is an apocalyptic number.

It is an amenable number.

105174489 is a deficient number, since it is larger than the sum of its proper divisors (58040871).

105174489 is a wasteful number, since it uses less digits than its factorization.

105174489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 105174489 is about 10255.4614230662. The cubic root of 105174489 is about 472.0305822016.

The spelling of 105174489 in words is "one hundred five million, one hundred seventy-four thousand, four hundred eighty-nine".