154136523260550 has 192 divisors, whose sum is σ = 400409057894400. Its totient is φ = 39165292193280.

The previous prime is 154136523260549. The next prime is 154136523260563. The reversal of 154136523260550 is 55062325631451.

It is a self number, because there is not a number n which added to its sum of digits gives 154136523260550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1632772251 + ... + 1632866649.

It is an arithmetic number, because the mean of its divisors is an integer number (2085463843200).

Almost surely, 2^{154136523260550} is an apocalyptic number.

154136523260550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154136523260550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200204528947200).

154136523260550 is an abundant number, since it is smaller than the sum of its proper divisors (246272534633850).

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

154136523260550 is a wasteful number, since it uses less digits than its factorization.

154136523260550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96247 (or 96242 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 154136523260550 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, five hundred twenty-three million, two hundred sixty thousand, five hundred fifty".