155452 has 12 divisors (see below), whose sum is σ = 296856. Its totient is φ = 70640.
The previous prime is 155443. The next prime is 155453. The reversal of 155452 is 254551.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a plaindrome in base 13.
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 pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723 + ... + 1810.
It is an arithmetic number, because the mean of its divisors is an integer number (24738).
2155452 is an apocalyptic number.
It is an amenable number.
155452 is a deficient number, since it is larger than the sum of its proper divisors (141404).
155452 is a wasteful number, since it uses less digits than its factorization.
155452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3548 (or 3546 counting only the distinct ones).
The product of its digits is 1000, while the sum is 22.
The square root of 155452 is about 394.2740163896. The cubic root of 155452 is about 53.7690179683.
Subtracting 155452 from its reverse (254551), we obtain a palindrome (99099).
It can be divided in two parts, 1554 and 52, that multiplied together give a palindrome (80808).
The spelling of 155452 in words is "one hundred fifty-five thousand, four hundred fifty-two".
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