145716 has 12 divisors (see below), whose sum is σ = 340032. Its totient is φ = 48568.
The previous prime is 145709. The next prime is 145721. The reversal of 145716 is 617541.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
145716 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, 6060 + ... + 6083.
It is an arithmetic number, because the mean of its divisors is an integer number (28336).
2145716 is an apocalyptic number.
It is an amenable number.
145716 is an abundant number, since it is smaller than the sum of its proper divisors (194316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145716 is a wasteful number, since it uses less digits than its factorization.
145716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12150 (or 12148 counting only the distinct ones).
The product of its digits is 840, while the sum is 24.
The square root of 145716 is about 381.7276516052. The cubic root of 145716 is about 52.6222096304.
It can be divided in two parts, 145 and 716, that added together give a triangular number (861 = T41).
The spelling of 145716 in words is "one hundred forty-five thousand, seven hundred sixteen".
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