149415 has 16 divisors (see below), whose sum is σ = 273408. Its totient is φ = 68256.
The previous prime is 149411. The next prime is 149417. The reversal of 149415 is 514941.
It is not a de Polignac number, because 149415 - 22 = 149411 is a prime.
149415 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149411) 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, 607 + ... + 816.
It is an arithmetic number, because the mean of its divisors is an integer number (17088).
2149415 is an apocalyptic number.
149415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
149415 is a deficient number, since it is larger than the sum of its proper divisors (123993).
149415 is a wasteful number, since it uses less digits than its factorization.
149415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1438.
The product of its digits is 720, while the sum is 24.
The square root of 149415 is about 386.5423650779. The cubic root of 149415 is about 53.0637656624.
The spelling of 149415 in words is "one hundred forty-nine thousand, four hundred fifteen".
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