149407 has 4 divisors (see below), whose sum is σ = 152280. Its totient is φ = 146536.
The previous prime is 149399. The next prime is 149411. The reversal of 149407 is 704941.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704941 = 353 ⋅1997.
It is a cyclic number.
It is not a de Polignac number, because 149407 - 23 = 149399 is a prime.
It is a Duffinian number.
149407 is a lucky number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149417) 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, 1357 + ... + 1462.
It is an arithmetic number, because the mean of its divisors is an integer number (38070).
2149407 is an apocalyptic number.
149407 is a deficient number, since it is larger than the sum of its proper divisors (2873).
149407 is an equidigital number, since it uses as much as digits as its factorization.
149407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2872.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 149407 is about 386.5320167852. The cubic root of 149407 is about 53.0628185962.
The spelling of 149407 in words is "one hundred forty-nine thousand, four hundred seven".
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