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144442102 = 273210557
BaseRepresentation
bin10001001110000…
…00001011110110
3101001210102022111
420213000023312
5243434121402
622155521234
73402511000
oct1047001366
9331712274
10144442102
1174596542
124045921a
1323c041cc
141527d370
15ca329d7
hex89c02f6

144442102 has 16 divisors (see below), whose sum is σ = 252669600. Its totient is φ = 61903464.

The previous prime is 144442091. The next prime is 144442121. The reversal of 144442102 is 201244441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104593 + ... + 105964.

It is an arithmetic number, because the mean of its divisors is an integer number (15791850).

Almost surely, 2144442102 is an apocalyptic number.

144442102 is a deficient number, since it is larger than the sum of its proper divisors (108227498).

144442102 is an equidigital number, since it uses as much as digits as its factorization.

144442102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210580 (or 210566 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 144442102 is about 12018.4067995721. The cubic root of 144442102 is about 524.6841359257.

Adding to 144442102 its reverse (201244441), we get a palindrome (345686543).

The spelling of 144442102 in words is "one hundred forty-four million, four hundred forty-two thousand, one hundred two".

Divisors: 1 2 7 14 49 98 343 686 210557 421114 1473899 2947798 10317293 20634586 72221051 144442102