155456 has 28 divisors (see below), whose sum is σ = 353568. Its totient is φ = 66432.

The previous prime is 155453. The next prime is 155461. The reversal of 155456 is 654551.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 621.

2¹⁵⁵⁴⁵⁶ is an apocalyptic number.

155456 is a gapful number since it is divisible by the number (16) 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 155456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176784).

155456 is an abundant number, since it is smaller than the sum of its proper divisors (198112).

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

155456 is an equidigital number, since it uses as much as digits as its factorization.

155456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 356 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 155456 is about 394.2790889713. The cubic root of 155456 is about 53.7694791486.

It can be divided in two parts, 15545 and 6, that added together give a palindrome (15551).

The spelling of 155456 in words is "one hundred fifty-five thousand, four hundred fifty-six".