155205082 has 8 divisors (see below), whose sum is σ = 232960896. Its totient is φ = 77551452.

The previous prime is 155205073. The next prime is 155205107. The reversal of 155205082 is 280502551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 155205082.

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 3 ways as a sum of consecutive naturals, for example, 21628 + ... + 27895.

It is an arithmetic number, because the mean of its divisors is an integer number (29120112).

Almost surely, 2^155205082 is an apocalyptic number.

155205082 is a deficient number, since it is larger than the sum of its proper divisors (77755814).

155205082 is a wasteful number, since it uses less digits than its factorization.

155205082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51092.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 155205082 is about 12458.1331667309. The cubic root of 155205082 is about 537.4053420474.

It can be divided in two parts, 15520 and 5082, that added together give a palindrome (20602).

The spelling of 155205082 in words is "one hundred fifty-five million, two hundred five thousand, eighty-two".