155082330 has 256 divisors, whose sum is σ = 496419840. Its totient is φ = 34062336.

The previous prime is 155082311. The next prime is 155082331. The reversal of 155082330 is 33280551.

155082330 is a `hidden beast` number, since 1 + 550 + 82 + 3 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 155082294 and 155082303.

It is not an unprimeable number, because it can be changed into a prime (155082331) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1372354 + ... + 1372466.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^155082330 is an apocalyptic number.

155082330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155082330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248209920).

155082330 is an abundant number, since it is smaller than the sum of its proper divisors (341337510).

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

155082330 is a wasteful number, since it uses less digits than its factorization.

155082330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 155082330 is about 12453.2056114079. The cubic root of 155082330 is about 537.2636263711.

The spelling of 155082330 in words is "one hundred fifty-five million, eighty-two thousand, three hundred thirty".