105145504 has 24 divisors (see below), whose sum is σ = 207271008. Its totient is φ = 52505280.

The previous prime is 105145501. The next prime is 105145531. The reversal of 105145504 is 405541501.

It is a happy number.

It is a super-2 number, since 2×105145504² = 22111154022828032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105145501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31399 + ... + 34585.

It is an arithmetic number, because the mean of its divisors is an integer number (8636292).

Almost surely, 2^105145504 is an apocalyptic number.

It is an amenable number.

105145504 is a deficient number, since it is larger than the sum of its proper divisors (102125504).

105145504 is a wasteful number, since it uses less digits than its factorization.

105145504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 105145504 is about 10254.0481762083. The cubic root of 105145504 is about 471.9872159709.

The spelling of 105145504 in words is "one hundred five million, one hundred forty-five thousand, five hundred four".