105145002 has 12 divisors (see below), whose sum is σ = 227814210. Its totient is φ = 35048328.

The previous prime is 105144989. The next prime is 105145003. The reversal of 105145002 is 200541501.

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 62001 = 10251^2 + 249^2 .

It is a super-2 number, since 2×105145002² = 22110942891160008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5841389 = 105145002 / (1 + 0 + 5 + 1 + 4 + 5 + 0 + 0 + 2).

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 5 ways as a sum of consecutive naturals, for example, 2920677 + ... + 2920712.

Almost surely, 2^105145002 is an apocalyptic number.

105145002 is an abundant number, since it is smaller than the sum of its proper divisors (122669208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105145002 is a wasteful number, since it uses less digits than its factorization.

105145002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841397 (or 5841394 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 105145002 is about 10254.0236980417. The cubic root of 105145002 is about 471.9864648278.

Adding to 105145002 its reverse (200541501), we get a palindrome (305686503).

The spelling of 105145002 in words is "one hundred five million, one hundred forty-five thousand, two".