105644315 has 16 divisors (see below), whose sum is σ = 146030592. Its totient is φ = 71868384.

The previous prime is 105644269. The next prime is 105644323. The reversal of 105644315 is 513446501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-105644315 is a prime.

It is a super-2 number, since 2×105644315² = 22321442583638450, which contains 22 as substring.

It is a Duffinian 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, 7439 + ... + 16328.

It is an arithmetic number, because the mean of its divisors is an integer number (9126912).

Almost surely, 2^105644315 is an apocalyptic number.

105644315 is a deficient number, since it is larger than the sum of its proper divisors (40386277).

105644315 is a wasteful number, since it uses less digits than its factorization.

105644315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23906.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 105644315 is about 10278.3420355620. The cubic root of 105644315 is about 472.7324090183.

The spelling of 105644315 in words is "one hundred five million, six hundred forty-four thousand, three hundred fifteen".