155206260 has 384 divisors, whose sum is σ = 587865600. Its totient is φ = 33546240.

The previous prime is 155206241. The next prime is 155206273. The reversal of 155206260 is 62602551.

155206260 is a `hidden beast` number, since 15 + 5 + 20 + 626 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2928394 + ... + 2928446.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^155206260 is an apocalyptic number.

155206260 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 155206260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293932800).

155206260 is an abundant number, since it is smaller than the sum of its proper divisors (432659340).

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

155206260 is a wasteful number, since it uses less digits than its factorization.

155206260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 155206260 is about 12458.1804449928. The cubic root of 155206260 is about 537.4067016719.

The spelling of 155206260 in words is "one hundred fifty-five million, two hundred six thousand, two hundred sixty".