155251050555144 has 32 divisors (see below), whose sum is σ = 393920576039520. Its totient is φ = 50977956898176.

The previous prime is 155251050555121. The next prime is 155251050555149. The reversal of 155251050555144 is 441555050152551.

155251050555144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×155251050555144⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 155251050555093 and 155251050555102.

It is not an unprimeable number, because it can be changed into a prime (155251050555149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48274578789 + ... + 48274582004.

It is an arithmetic number, because the mean of its divisors is an integer number (12310018001235).

Almost surely, 2^{155251050555144} is an apocalyptic number.

It is an amenable number.

155251050555144 is an abundant number, since it is smaller than the sum of its proper divisors (238669525484376).

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

155251050555144 is a wasteful number, since it uses less digits than its factorization.

155251050555144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96549160869 (or 96549160865 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 48.

The spelling of 155251050555144 in words is "one hundred fifty-five trillion, two hundred fifty-one billion, fifty million, five hundred fifty-five thousand, one hundred forty-four".