145330 has 8 divisors (see below), whose sum is σ = 261612. Its totient is φ = 58128.
The previous prime is 145307. The next prime is 145349. The reversal of 145330 is 33541.
It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 169 = 381^2 + 13^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1453302 = 42241617800, which contains 22 as substring.
It is an unprimeable number.
145330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7257 + ... + 7276.
2145330 is an apocalyptic number.
145330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145330 is a deficient number, since it is larger than the sum of its proper divisors (116282).
145330 is a wasteful number, since it uses less digits than its factorization.
145330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14540.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 145330 is about 381.2217202626. The cubic root of 145330 is about 52.5757033330.
Adding to 145330 its reverse (33541), we get a palindrome (178871).
The spelling of 145330 in words is "one hundred forty-five thousand, three hundred thirty".
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