154554523421144 has 32 divisors (see below), whose sum is σ = 361296288518400. Its totient is φ = 60216048085920.

The previous prime is 154554523421099. The next prime is 154554523421159. The reversal of 154554523421144 is 441124325455451.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 154554523421092 and 154554523421101.

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, 125450099564 + ... + 125450100795.

It is an arithmetic number, because the mean of its divisors is an integer number (11290509016200).

Almost surely, 2^{154554523421144} is an apocalyptic number.

154554523421144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

154554523421144 is an abundant number, since it is smaller than the sum of its proper divisors (206741765097256).

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

154554523421144 is a wasteful number, since it uses less digits than its factorization.

154554523421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250900200383 (or 250900200379 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 50.

Adding to 154554523421144 its reverse (441124325455451), we get a palindrome (595678848876595).

The spelling of 154554523421144 in words is "one hundred fifty-four trillion, five hundred fifty-four billion, five hundred twenty-three million, four hundred twenty-one thousand, one hundred forty-four".