105404151 has 4 divisors (see below), whose sum is σ = 140538872. Its totient is φ = 70269432.

The previous prime is 105404129. The next prime is 105404171. The reversal of 105404151 is 151404501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105404151 - 2⁵ = 105404119 is a prime.

It is a super-2 number, since 2×105404151² = 22220070096061602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105404171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17567356 + ... + 17567361.

It is an arithmetic number, because the mean of its divisors is an integer number (35134718).

Almost surely, 2^105404151 is an apocalyptic number.

105404151 is a deficient number, since it is larger than the sum of its proper divisors (35134721).

105404151 is an equidigital number, since it uses as much as digits as its factorization.

105404151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35134720.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 105404151 is about 10266.6523755312. The cubic root of 105404151 is about 472.3739122143.

Adding to 105404151 its reverse (151404501), we get a palindrome (256808652).

The spelling of 105404151 in words is "one hundred five million, four hundred four thousand, one hundred fifty-one".