105449975 has 24 divisors (see below), whose sum is σ = 134692272. Its totient is φ = 81849600.

The previous prime is 105449969. The next prime is 105449977. The reversal of 105449975 is 579944501.

It is not a de Polignac number, because 105449975 - 2⁸ = 105449719 is a prime.

It is a super-2 number, since 2×105449975² = 22239394455001250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105449977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250265 + ... + 250685.

It is an arithmetic number, because the mean of its divisors is an integer number (5612178).

Almost surely, 2^105449975 is an apocalyptic number.

105449975 is a deficient number, since it is larger than the sum of its proper divisors (29242297).

105449975 is a wasteful number, since it uses less digits than its factorization.

105449975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 105449975 is about 10268.8838244475. The cubic root of 105449975 is about 472.4423564703.

The spelling of 105449975 in words is "one hundred five million, four hundred forty-nine thousand, nine hundred seventy-five".