155411928 has 240 divisors, whose sum is σ = 524347200. Its totient is φ = 41489280.

The previous prime is 155411923. The next prime is 155411929. The reversal of 155411928 is 829114551.

155411928 is a `hidden beast` number, since 1 + 554 + 11 + 92 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (14400) is a multiple of the sum of its prime divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 155411892 and 155411901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155411923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5013273 + ... + 5013303.

It is an arithmetic number, because the mean of its divisors is an integer number (2184780).

Almost surely, 2^155411928 is an apocalyptic number.

155411928 is a gapful number since it is divisible by the number (18) 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 155411928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262173600).

155411928 is an abundant number, since it is smaller than the sum of its proper divisors (368935272).

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

155411928 is a wasteful number, since it uses less digits than its factorization.

155411928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 72 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 155411928 is about 12466.4320477031. The cubic root of 155411928 is about 537.6439742675.

The spelling of 155411928 in words is "one hundred fifty-five million, four hundred eleven thousand, nine hundred twenty-eight".