155424000 has 144 divisors (see below), whose sum is σ = 516559680. Its totient is φ = 41420800.

The previous prime is 155423981. The next prime is 155424083. The reversal of 155424000 is 424551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95191 + ... + 96809.

It is an arithmetic number, because the mean of its divisors is an integer number (3587220).

Almost surely, 2^155424000 is an apocalyptic number.

155424000 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 155424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258279840).

155424000 is an abundant number, since it is smaller than the sum of its proper divisors (361135680).

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

155424000 is an equidigital number, since it uses as much as digits as its factorization.

155424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 155424000 is about 12466.9162185362. The cubic root of 155424000 is about 537.6578948421.

Adding to 155424000 its reverse (424551), we get a palindrome (155848551).

The spelling of 155424000 in words is "one hundred fifty-five million, four hundred twenty-four thousand".