154105133243144 has 32 divisors (see below), whose sum is σ = 315813176294400. Its totient is φ = 70180705839360.

The previous prime is 154105133243119. The next prime is 154105133243153. The reversal of 154105133243144 is 441342331501451.

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, 18276221264 + ... + 18276229695.

It is an arithmetic number, because the mean of its divisors is an integer number (9869161759200).

Almost surely, 2^{154105133243144} is an apocalyptic number.

It is an amenable number.

154105133243144 is an abundant number, since it is smaller than the sum of its proper divisors (161708043051256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154105133243144 is a wasteful number, since it uses less digits than its factorization.

154105133243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36552451013 (or 36552451009 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 154105133243144 its reverse (441342331501451), we get a palindrome (595447464744595).

The spelling of 154105133243144 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred thirty-three million, two hundred forty-three thousand, one hundred forty-four".