105145134 has 16 divisors (see below), whose sum is σ = 212654160. Its totient is φ = 34654400.

The previous prime is 105145127. The next prime is 105145199. The reversal of 105145134 is 431541501.

It is a happy number.

It is a super-2 number, since 2×105145134² = 22110998407755912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97917 + ... + 98984.

It is an arithmetic number, because the mean of its divisors is an integer number (13290885).

Almost surely, 2^105145134 is an apocalyptic number.

105145134 is an abundant number, since it is smaller than the sum of its proper divisors (107509026).

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

105145134 is a wasteful number, since it uses less digits than its factorization.

105145134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196995.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 105145134 is about 10254.0301345373. The cubic root of 105145134 is about 471.9866623398.

Adding to 105145134 its reverse (431541501), we get a palindrome (536686635).

The spelling of 105145134 in words is "one hundred five million, one hundred forty-five thousand, one hundred thirty-four".