155365050 has 48 divisors (see below), whose sum is σ = 387073440. Its totient is φ = 41240640.

The previous prime is 155365043. The next prime is 155365051. The reversal of 155365050 is 50563551.

155365050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 155364999 and 155365017.

It is not an unprimeable number, because it can be changed into a prime (155365051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32089 + ... + 36611.

It is an arithmetic number, because the mean of its divisors is an integer number (8064030).

Almost surely, 2^155365050 is an apocalyptic number.

155365050 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 155365050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536720).

155365050 is an abundant number, since it is smaller than the sum of its proper divisors (231708390).

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

155365050 is a wasteful number, since it uses less digits than its factorization.

155365050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767 (or 4762 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 155365050 is about 12464.5517368255. The cubic root of 155365050 is about 537.5899110453.

The spelling of 155365050 in words is "one hundred fifty-five million, three hundred sixty-five thousand, fifty".