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145316 = 22172137
BaseRepresentation
bin100011011110100100
321101100002
4203132210
514122231
63040432
71143443
oct433644
9241302
10145316
119a1a6
1270118
13511b2
143ad5a
152d0cb
hex237a4

145316 has 12 divisors (see below), whose sum is σ = 269388. Its totient is φ = 68352.

The previous prime is 145307. The next prime is 145349. The reversal of 145316 is 613541.

Adding to 145316 its reverse (613541), we get a palindrome (758857).

145316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52900 + 92416 = 230^2 + 304^2 .

It is a super-2 number, since 2×1453162 = 42233479712, which contains 22 as substring.

It is an unprimeable number.

145316 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, 1001 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (22449).

2145316 is an apocalyptic number.

It is an amenable number.

145316 is a deficient number, since it is larger than the sum of its proper divisors (124072).

145316 is a wasteful number, since it uses less digits than its factorization.

145316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2156 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 145316 is about 381.2033578026. The cubic root of 145316 is about 52.5740150294.

The spelling of 145316 in words is "one hundred forty-five thousand, three hundred sixteen".

Divisors: 1 2 4 17 34 68 2137 4274 8548 36329 72658 145316