155301214140 has 120 divisors (see below), whose sum is σ = 487417059360. Its totient is φ = 41393987712.

The previous prime is 155301214139. The next prime is 155301214177. The reversal of 155301214140 is 41412103551.

155301214140 is a `hidden beast` number, since 1 + 5 + 5 + 301 + 214 + 140 = 666.

155301214140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155301214140² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3563401 + ... + 3606719.

It is an arithmetic number, because the mean of its divisors is an integer number (4061808828).

Almost surely, 2^155301214140 is an apocalyptic number.

155301214140 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 155301214140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243708529680).

155301214140 is an abundant number, since it is smaller than the sum of its proper divisors (332115845220).

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

155301214140 is a wasteful number, since it uses less digits than its factorization.

155301214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45553 (or 45542 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 155301214140 its reverse (41412103551), we get a palindrome (196713317691).

The spelling of 155301214140 in words is "one hundred fifty-five billion, three hundred one million, two hundred fourteen thousand, one hundred forty".