155454454113122 has 16 divisors (see below), whose sum is σ = 235805735633400. Its totient is φ = 76852572128640.

The previous prime is 155454454113109. The next prime is 155454454113149. The reversal of 155454454113122 is 221311454454551.

It can be written as a sum of positive squares in 4 ways, for example, as 43297860772321 + 112156593340801 = 6580111^2 + 10590401^2 .

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, 2997704 + ... + 17885612.

Almost surely, 2^{155454454113122} is an apocalyptic number.

155454454113122 is a deficient number, since it is larger than the sum of its proper divisors (80351281520278).

155454454113122 is a wasteful number, since it uses less digits than its factorization.

155454454113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14946661.

The product of its digits is 1920000, while the sum is 47.

The spelling of 155454454113122 in words is "one hundred fifty-five trillion, four hundred fifty-four billion, four hundred fifty-four million, one hundred thirteen thousand, one hundred twenty-two".