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145210 = 25131117
BaseRepresentation
bin100011011100111010
321101012011
4203130322
514121320
63040134
71143232
oct433472
9241164
10145210
119a10a
127004a
1351130
143acc2
152d05a
hex2373a

145210 has 16 divisors (see below), whose sum is σ = 281736. Its totient is φ = 53568.

The previous prime is 145207. The next prime is 145213. The reversal of 145210 is 12541.

It is an interprime number because it is at equal distance from previous prime (145207) and next prime (145213).

It can be written as a sum of positive squares in 4 ways, for example, as 49729 + 95481 = 223^2 + 309^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429 + ... + 688.

2145210 is an apocalyptic number.

145210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145210 is a deficient number, since it is larger than the sum of its proper divisors (136526).

145210 is a wasteful number, since it uses less digits than its factorization.

145210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 145210 is about 381.0642990363. The cubic root of 145210 is about 52.5612286393.

Adding to 145210 its reverse (12541), we get a palindrome (157751).

The spelling of 145210 in words is "one hundred forty-five thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 1117 2234 5585 11170 14521 29042 72605 145210