155472 has 40 divisors (see below), whose sum is σ = 416640. Its totient is φ = 49920.

The previous prime is 155461. The next prime is 155473. The reversal of 155472 is 274551.

155472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155472.

It is not an unprimeable number, because it can be changed into a prime (155473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2¹⁵⁵⁴⁷² is an apocalyptic number.

155472 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 155472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208320).

155472 is an abundant number, since it is smaller than the sum of its proper divisors (261168).

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

155472 is a wasteful number, since it uses less digits than its factorization.

155472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 155472 is about 394.2993786452. The cubic root of 155472 is about 53.7713237909.

The spelling of 155472 in words is "one hundred fifty-five thousand, four hundred seventy-two".