155300305000 has 160 divisors (see below), whose sum is σ = 377922900960. Its totient is φ = 59764320000.

The previous prime is 155300304989. The next prime is 155300305007. The reversal of 155300305000 is 503003551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155300305007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14399610 + ... + 14410390.

It is an arithmetic number, because the mean of its divisors is an integer number (2362018131).

Almost surely, 2^155300305000 is an apocalyptic number.

155300305000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155300305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188961450480).

155300305000 is an abundant number, since it is smaller than the sum of its proper divisors (222622595960).

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

155300305000 is a wasteful number, since it uses less digits than its factorization.

155300305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917 (or 10898 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

Adding to 155300305000 its reverse (503003551), we get a palindrome (155803308551).

The spelling of 155300305000 in words is "one hundred fifty-five billion, three hundred million, three hundred five thousand".