155488512 has 72 divisors (see below), whose sum is σ = 420736960. Its totient is φ = 50964480.

The previous prime is 155488469. The next prime is 155488519. The reversal of 155488512 is 215884551.

It is not an unprimeable number, because it can be changed into a prime (155488519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45189 + ... + 48507.

Almost surely, 2^155488512 is an apocalyptic number.

155488512 is a gapful number since it is divisible by the number (12) 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 155488512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210368480).

155488512 is an abundant number, since it is smaller than the sum of its proper divisors (265248448).

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

155488512 is an equidigital number, since it uses as much as digits as its factorization.

155488512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3385 counting only the distinct ones).

The product of its digits is 64000, while the sum is 39.

The square root of 155488512 is about 12469.5032779979. The cubic root of 155488512 is about 537.7322732913.

The spelling of 155488512 in words is "one hundred fifty-five million, four hundred eighty-eight thousand, five hundred twelve".