344450631225146 has 8 divisors (see below), whose sum is σ = 526424549608404. Its totient is φ = 168975781355680.

The previous prime is 344450631225137. The next prime is 344450631225157. The reversal of 344450631225146 is 641522136054443.

It can be written as a sum of positive squares in 2 ways, for example, as 331503552003121 + 12947079222025 = 18207239^2 + 3598205^2 .

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

It is a super-3 number, since 3×344450631225146³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344450631225094 and 344450631225103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624767128315 + ... + 1624767128526.

Almost surely, 2^{344450631225146} is an apocalyptic number.

344450631225146 is a deficient number, since it is larger than the sum of its proper divisors (181973918383258).

344450631225146 is a wasteful number, since it uses less digits than its factorization.

344450631225146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249534256896.

The product of its (nonzero) digits is 8294400, while the sum is 50.

Adding to 344450631225146 its reverse (641522136054443), we get a palindrome (985972767279589).

The spelling of 344450631225146 in words is "three hundred forty-four trillion, four hundred fifty billion, six hundred thirty-one million, two hundred twenty-five thousand, one hundred forty-six".