155300205 has 32 divisors (see below), whose sum is σ = 265875840. Its totient is φ = 77172480.

The previous prime is 155300141. The next prime is 155300227. The reversal of 155300205 is 502003551.

It is not a de Polignac number, because 155300205 - 2⁶ = 155300141 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 12919 + ... + 21851.

It is an arithmetic number, because the mean of its divisors is an integer number (8308620).

Almost surely, 2^155300205 is an apocalyptic number.

155300205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155300205 is a deficient number, since it is larger than the sum of its proper divisors (110575635).

155300205 is a wasteful number, since it uses less digits than its factorization.

155300205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9021.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 155300205 is about 12461.9502887790. The cubic root of 155300205 is about 537.5151090038.

Adding to 155300205 its reverse (502003551), we get a palindrome (657303756).

The spelling of 155300205 in words is "one hundred fifty-five million, three hundred thousand, two hundred five".