105145004 has 12 divisors (see below), whose sum is σ = 187475904. Its totient is φ = 51580464.

The previous prime is 105145003. The next prime is 105145013. The reversal of 105145004 is 400541501.

It is a super-2 number, since 2×105145004² = 22110943732320032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105145003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247772 + ... + 248195.

It is an arithmetic number, because the mean of its divisors is an integer number (15622992).

Almost surely, 2^105145004 is an apocalyptic number.

It is an amenable number.

105145004 is a deficient number, since it is larger than the sum of its proper divisors (82330900).

105145004 is a wasteful number, since it uses less digits than its factorization.

105145004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496024 (or 496022 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105145004 is about 10254.0237955644. The cubic root of 105145004 is about 471.9864678204.

Adding to 105145004 its reverse (400541501), we get a palindrome (505686505).

The spelling of 105145004 in words is "one hundred five million, one hundred forty-five thousand, four".