122144345 has 8 divisors (see below), whose sum is σ = 146632776. Its totient is φ = 97675776.

The previous prime is 122144327. The next prime is 122144359. The reversal of 122144345 is 543441221.

It can be written as a sum of positive squares in 4 ways, for example, as 5331481 + 116812864 = 2309^2 + 10808^2 .

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 122144345 - 2⁸ = 122144089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19859 + ... + 25271.

It is an arithmetic number, because the mean of its divisors is an integer number (18329097).

Almost surely, 2^122144345 is an apocalyptic number.

It is an amenable number.

122144345 is a deficient number, since it is larger than the sum of its proper divisors (24488431).

122144345 is an equidigital number, since it uses as much as digits as its factorization.

122144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931.

The product of its digits is 3840, while the sum is 26.

The square root of 122144345 is about 11051.8932767196. The cubic root of 122144345 is about 496.1630915829.

Adding to 122144345 its reverse (543441221), we get a palindrome (665585566).

The spelling of 122144345 in words is "one hundred twenty-two million, one hundred forty-four thousand, three hundred forty-five".