105648959 has 8 divisors (see below), whose sum is σ = 118722912. Its totient is φ = 93281760.

The previous prime is 105648947. The next prime is 105648973. The reversal of 105648959 is 959846501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105648959 - 2²⁰ = 104600383 is a prime.

It is a super-2 number, since 2×105648959² = 22323405075567362, 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 (105648919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176372 + ... + 176969.

It is an arithmetic number, because the mean of its divisors is an integer number (14840364).

Almost surely, 2^105648959 is an apocalyptic number.

105648959 is a deficient number, since it is larger than the sum of its proper divisors (13073953).

105648959 is a wasteful number, since it uses less digits than its factorization.

105648959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353377.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 105648959 is about 10278.5679450009. The cubic root of 105648959 is about 472.7393358373.

The spelling of 105648959 in words is "one hundred five million, six hundred forty-eight thousand, nine hundred fifty-nine".