122344015154545 has 4 divisors (see below), whose sum is σ = 146812818185460. Its totient is φ = 97875212123632.

The previous prime is 122344015154539. The next prime is 122344015154561. The reversal of 122344015154545 is 545451510443221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56742714266176 + 65601300888369 = 7532776^2 + 8099463^2 .

It is a cyclic number.

It is not a de Polignac number, because 122344015154545 - 2¹⁷ = 122344015023473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122344015154495 and 122344015154504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12234401515450 + ... + 12234401515459.

It is an arithmetic number, because the mean of its divisors is an integer number (36703204546365).

Almost surely, 2^{122344015154545} is an apocalyptic number.

It is an amenable number.

122344015154545 is a deficient number, since it is larger than the sum of its proper divisors (24468803030915).

122344015154545 is an equidigital number, since it uses as much as digits as its factorization.

122344015154545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24468803030914.

The product of its (nonzero) digits is 1920000, while the sum is 46.

Adding to 122344015154545 its reverse (545451510443221), we get a palindrome (667795525597766).

The spelling of 122344015154545 in words is "one hundred twenty-two trillion, three hundred forty-four billion, fifteen million, one hundred fifty-four thousand, five hundred forty-five".