172344113 has 8 divisors (see below), whose sum is σ = 187414632. Its totient is φ = 157821696.

The previous prime is 172344103. The next prime is 172344119. The reversal of 172344113 is 311443271.

It can be written as a sum of positive squares in 4 ways, for example, as 117332224 + 55011889 = 10832^2 + 7417^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 172344113 - 2⁶ = 172344049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172344119) 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, 136370 + ... + 137627.

It is an arithmetic number, because the mean of its divisors is an integer number (23426829).

Almost surely, 2^172344113 is an apocalyptic number.

It is an amenable number.

172344113 is a deficient number, since it is larger than the sum of its proper divisors (15070519).

172344113 is a wasteful number, since it uses less digits than its factorization.

172344113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274051.

The product of its digits is 2016, while the sum is 26.

The square root of 172344113 is about 13127.9896785456. The cubic root of 172344113 is about 556.5004045680.

Adding to 172344113 its reverse (311443271), we get a palindrome (483787384).

The spelling of 172344113 in words is "one hundred seventy-two million, three hundred forty-four thousand, one hundred thirteen".