150447 has 16 divisors (see below), whose sum is σ = 225792. Its totient is φ = 88320.
The previous prime is 150439. The next prime is 150473. The reversal of 150447 is 744051.
It is not a de Polignac number, because 150447 - 23 = 150439 is a prime.
150447 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150407) 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 15 ways as a sum of consecutive naturals, for example, 1503 + ... + 1599.
It is an arithmetic number, because the mean of its divisors is an integer number (14112).
2150447 is an apocalyptic number.
150447 is a deficient number, since it is larger than the sum of its proper divisors (75345).
150447 is a wasteful number, since it uses less digits than its factorization.
150447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 150447 is about 387.8749798582. The cubic root of 150447 is about 53.1856548278.
Subtracting from 150447 its sum of digits (21), we obtain a triangular number (150426 = T548).
Adding to 150447 its reverse (744051), we get a palindrome (894498).
It can be divided in two parts, 15044 and 7, that added together give a palindrome (15051).
The spelling of 150447 in words is "one hundred fifty thousand, four hundred forty-seven".
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