122345203521445 has 8 divisors (see below), whose sum is σ = 146821104512280. Its totient is φ = 97871589292800.

The previous prime is 122345203521433. The next prime is 122345203521473. The reversal of 122345203521445 is 544125302543221.

It can be written as a sum of positive squares in 4 ways, for example, as 11199611082724 + 111145592438721 = 3346582^2 + 10542561^2 .

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

It is not a de Polignac number, because 122345203521445 - 2²¹ = 122345201424293 is a prime.

It is a congruent 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, 571572840 + ... + 571786849.

It is an arithmetic number, because the mean of its divisors is an integer number (18352638064035).

Almost surely, 2^{122345203521445} is an apocalyptic number.

It is an amenable number.

122345203521445 is a deficient number, since it is larger than the sum of its proper divisors (24475900990835).

122345203521445 is a wasteful number, since it uses less digits than its factorization.

122345203521445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143381095.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 122345203521445 in words is "one hundred twenty-two trillion, three hundred forty-five billion, two hundred three million, five hundred twenty-one thousand, four hundred forty-five".