155435000535144 has 256 divisors, whose sum is σ = 492311970662400. Its totient is φ = 44978649408000.

The previous prime is 155435000535119. The next prime is 155435000535151. The reversal of 155435000535144 is 441535000534551.

It is a happy number.

155435000535144 is a `hidden beast` number, since 1 + 5 + 5 + 4 + 3 + 500 + 0 + 53 + 51 + 44 = 666.

155435000535144 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155435000535144.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30477147 + ... + 35209749.

It is an arithmetic number, because the mean of its divisors is an integer number (1923093635400).

Almost surely, 2^{155435000535144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155435000535144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246155985331200).

155435000535144 is an abundant number, since it is smaller than the sum of its proper divisors (336876970127256).

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

155435000535144 is a wasteful number, since it uses less digits than its factorization.

155435000535144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733253 (or 4733243 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 155435000535144 in words is "one hundred fifty-five trillion, four hundred thirty-five billion, five hundred thirty-five thousand, one hundred forty-four".