346445321153 has 8 divisors (see below), whose sum is σ = 350070977928. Its totient is φ = 342820767744.

The previous prime is 346445321143. The next prime is 346445321177. The reversal of 346445321153 is 351123544643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97251669904 + 249193651249 = 311852^2 + 499193^2 .

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 346445321153 - 2⁴ = 346445321137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346445321153.

It is not an unprimeable number, because it can be changed into a prime (346445321143) 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, 363125 + ... + 908157.

It is an arithmetic number, because the mean of its divisors is an integer number (43758872241).

Almost surely, 2^346445321153 is an apocalyptic number.

It is an amenable number.

346445321153 is a deficient number, since it is larger than the sum of its proper divisors (3625656775).

346445321153 is an equidigital number, since it uses as much as digits as its factorization.

346445321153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551683.

The product of its digits is 518400, while the sum is 41.

Adding to 346445321153 its reverse (351123544643), we get a palindrome (697568865796).

The spelling of 346445321153 in words is "three hundred forty-six billion, four hundred forty-five million, three hundred twenty-one thousand, one hundred fifty-three".