155384082 has 80 divisors (see below), whose sum is σ = 400194432. Its totient is φ = 44141760.

The previous prime is 155384081. The next prime is 155384093. The reversal of 155384082 is 280483551.

It is a happy number.

155384082 is a `hidden beast` number, since 1 + 5 + 538 + 40 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (155384081) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 297982 + ... + 298502.

Almost surely, 2^155384082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155384082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200097216).

155384082 is an abundant number, since it is smaller than the sum of its proper divisors (244810350).

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

155384082 is a wasteful number, since it uses less digits than its factorization.

155384082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 155384082 is about 12465.3151584707. The cubic root of 155384082 is about 537.6118614849.

The spelling of 155384082 in words is "one hundred fifty-five million, three hundred eighty-four thousand, eighty-two".