155335450144 has 96 divisors (see below), whose sum is σ = 351824014080. Its totient is φ = 66132052992.

The previous prime is 155335450139. The next prime is 155335450177. The reversal of 155335450144 is 441054533551.

It is a junction number, because it is equal to n+sod(n) for n = 155335450097 and 155335450106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21970642 + ... + 21977710.

It is an arithmetic number, because the mean of its divisors is an integer number (3664833480).

Almost surely, 2^155335450144 is an apocalyptic number.

155335450144 is a gapful number since it is divisible by the number (14) 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 155335450144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175912007040).

155335450144 is an abundant number, since it is smaller than the sum of its proper divisors (196488563936).

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

155335450144 is a wasteful number, since it uses less digits than its factorization.

155335450144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722 (or 7714 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 155335450144 its reverse (441054533551), we get a palindrome (596389983695).

The spelling of 155335450144 in words is "one hundred fifty-five billion, three hundred thirty-five million, four hundred fifty thousand, one hundred forty-four".