155233260 has 324 divisors, whose sum is σ = 605103408. Its totient is φ = 32752512.

The previous prime is 155233231. The next prime is 155233261. The reversal of 155233260 is 62332551.

It is a tau number, because it is divible by the number of its divisors (324).

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

It is not an unprimeable number, because it can be changed into a prime (155233261) by changing a digit.

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 107 ways as a sum of consecutive naturals, for example, 11941014 + ... + 11941026.

Almost surely, 2^155233260 is an apocalyptic number.

155233260 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 155233260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302551704).

155233260 is an abundant number, since it is smaller than the sum of its proper divisors (449870148).

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

155233260 is an equidigital number, since it uses as much as digits as its factorization.

155233260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 155233260 is about 12459.2640232078. The cubic root of 155233260 is about 537.4378626565.

The spelling of 155233260 in words is "one hundred fifty-five million, two hundred thirty-three thousand, two hundred sixty".