155080002 has 96 divisors (see below), whose sum is σ = 399237120. Its totient is φ = 39705120.

The previous prime is 155079983. The next prime is 155080031. The reversal of 155080002 is 200080551.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 255183 + ... + 255789.

It is an arithmetic number, because the mean of its divisors is an integer number (4158720).

Almost surely, 2^155080002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155080002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199618560).

155080002 is an abundant number, since it is smaller than the sum of its proper divisors (244157118).

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

155080002 is a wasteful number, since it uses less digits than its factorization.

155080002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 155080002 is about 12453.1121411477. The cubic root of 155080002 is about 537.2609380012.

The spelling of 155080002 in words is "one hundred fifty-five million, eighty thousand, two".