155248128 has 120 divisors (see below), whose sum is σ = 512171088. Its totient is φ = 44347392.

The previous prime is 155248117. The next prime is 155248153. The reversal of 155248128 is 821842551.

155248128 is a `hidden beast` number, since 1 + 5 + 524 + 8 + 128 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 155248092 and 155248101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29850 + ... + 34662.

Almost surely, 2^155248128 is an apocalyptic number.

155248128 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 155248128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256085544).

155248128 is an abundant number, since it is smaller than the sum of its proper divisors (356922960).

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

155248128 is an equidigital number, since it uses as much as digits as its factorization.

155248128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4825 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 155248128 is about 12459.8606733783. The cubic root of 155248128 is about 537.4550204293.

The spelling of 155248128 in words is "one hundred fifty-five million, two hundred forty-eight thousand, one hundred twenty-eight".