105302430 has 40 divisors (see below), whose sum is σ = 283148712. Its totient is φ = 28080432.

The previous prime is 105302411. The next prime is 105302489. The reversal of 105302430 is 34203501.

It is a super-2 number, since 2×105302430² = 22177203527809800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64192 + ... + 65811.

Almost surely, 2^105302430 is an apocalyptic number.

105302430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105302430 is an abundant number, since it is smaller than the sum of its proper divisors (177846282).

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

105302430 is a wasteful number, since it uses less digits than its factorization.

105302430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130022 (or 130013 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 105302430 is about 10261.6972280418. The cubic root of 105302430 is about 472.2219074098.

Adding to 105302430 its reverse (34203501), we get a palindrome (139505931).

The spelling of 105302430 in words is "one hundred five million, three hundred two thousand, four hundred thirty".