155205060 has 72 divisors (see below), whose sum is σ = 445233600. Its totient is φ = 40396608.

The previous prime is 155205023. The next prime is 155205067. The reversal of 155205060 is 60502551.

It is a super-2 number, since 2×155205060² = 48177221299207200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155205060.

It is not an unprimeable number, because it can be changed into a prime (155205067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110241 + ... + 111639.

It is an arithmetic number, because the mean of its divisors is an integer number (6183800).

Almost surely, 2^155205060 is an apocalyptic number.

155205060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155205060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222616800).

155205060 is an abundant number, since it is smaller than the sum of its proper divisors (290028540).

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

155205060 is a wasteful number, since it uses less digits than its factorization.

155205060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 155205060 is about 12458.1322837735. The cubic root of 155205060 is about 537.4053166554.

The spelling of 155205060 in words is "one hundred fifty-five million, two hundred five thousand, sixty".