149924 has 12 divisors (see below), whose sum is σ = 269724. Its totient is φ = 72864.
The previous prime is 149921. The next prime is 149939. The reversal of 149924 is 429941.
It can be written as a sum of positive squares in 2 ways, for example, as 53824 + 96100 = 232^2 + 310^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359 + ... + 654.
It is an arithmetic number, because the mean of its divisors is an integer number (22477).
2149924 is an apocalyptic number.
It is an amenable number.
149924 is a deficient number, since it is larger than the sum of its proper divisors (119800).
149924 is a wasteful number, since it uses less digits than its factorization.
149924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).
The product of its digits is 2592, while the sum is 29.
The square root of 149924 is about 387.2002066115. The cubic root of 149924 is about 53.1239533819.
The spelling of 149924 in words is "one hundred forty-nine thousand, nine hundred twenty-four".
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