105302145 has 32 divisors (see below), whose sum is σ = 185883264. Its totient is φ = 50572800.

The previous prime is 105302129. The next prime is 105302147. The reversal of 105302145 is 541203501.

It is not a de Polignac number, because 105302145 - 2⁴ = 105302129 is a prime.

It is a super-2 number, since 2×105302145² = 22177083483202050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105302147) 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, 1410 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (5808852).

Almost surely, 2^105302145 is an apocalyptic number.

105302145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105302145 is a deficient number, since it is larger than the sum of its proper divisors (80581119).

105302145 is a wasteful number, since it uses less digits than its factorization.

105302145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13233.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105302145 is about 10261.6833414406. The cubic root of 105302145 is about 472.2214813880.

Adding to 105302145 its reverse (541203501), we get a palindrome (646505646).

The spelling of 105302145 in words is "one hundred five million, three hundred two thousand, one hundred forty-five".