152405 has 16 divisors (see below), whose sum is σ = 212544. Its totient is φ = 103680.
The previous prime is 152393. The next prime is 152407. The reversal of 152405 is 504251.
152405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 152405 - 24 = 152389 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152407) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854 + ... + 1016.
It is an arithmetic number, because the mean of its divisors is an integer number (13284).
2152405 is an apocalyptic number.
It is an amenable number.
152405 is a deficient number, since it is larger than the sum of its proper divisors (60139).
152405 is a wasteful number, since it uses less digits than its factorization.
152405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196.
The product of its (nonzero) digits is 200, while the sum is 17.
The square root of 152405 is about 390.3908298103. The cubic root of 152405 is about 53.4153901784.
Adding to 152405 its reverse (504251), we get a palindrome (656656).
The spelling of 152405 in words is "one hundred fifty-two thousand, four hundred five".
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