155541480 has 64 divisors (see below), whose sum is σ = 468711360. Its totient is φ = 41292288.

The previous prime is 155541461. The next prime is 155541481. The reversal of 155541480 is 84145551.

155541480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155541481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25179 + ... + 30741.

It is an arithmetic number, because the mean of its divisors is an integer number (7323615).

Almost surely, 2^155541480 is an apocalyptic number.

155541480 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 155541480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234355680).

155541480 is an abundant number, since it is smaller than the sum of its proper divisors (313169880).

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

155541480 is a wasteful number, since it uses less digits than its factorization.

155541480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 155541480 is about 12471.6269989124. The cubic root of 155541480 is about 537.7933268252.

The spelling of 155541480 in words is "one hundred fifty-five million, five hundred forty-one thousand, four hundred eighty".