105342045 has 16 divisors (see below), whose sum is σ = 172468032. Its totient is φ = 54875520.

The previous prime is 105342031. The next prime is 105342053. The reversal of 105342045 is 540243501.

It is not a de Polignac number, because 105342045 - 2⁶ = 105341981 is a prime.

It is a super-2 number, since 2×105342045² = 22193892889564050, 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 15 ways as a sum of consecutive naturals, for example, 81016 + ... + 82305.

It is an arithmetic number, because the mean of its divisors is an integer number (10779252).

Almost surely, 2^105342045 is an apocalyptic number.

105342045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105342045 is a deficient number, since it is larger than the sum of its proper divisors (67125987).

105342045 is a wasteful number, since it uses less digits than its factorization.

105342045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163372.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 105342045 is about 10263.6272827885. The cubic root of 105342045 is about 472.2811169502.

Adding to 105342045 its reverse (540243501), we get a palindrome (645585546).

The spelling of 105342045 in words is "one hundred five million, three hundred forty-two thousand, forty-five".