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144810444 = 22312067537
BaseRepresentation
bin10001010000110…
…10000111001100
3101002111010120210
420220122013030
5244032413234
622211442420
73405603612
oct1050320714
9332433523
10144810444
1174818259
12405b6410
1324002a6c
14153376b2
15caa6be9
hex8a1a1cc

144810444 has 12 divisors (see below), whose sum is σ = 337891064. Its totient is φ = 48270144.

The previous prime is 144810377. The next prime is 144810451. The reversal of 144810444 is 444018441.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6033757 + ... + 6033780.

Almost surely, 2144810444 is an apocalyptic number.

It is an amenable number.

144810444 is an abundant number, since it is smaller than the sum of its proper divisors (193080620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144810444 is a wasteful number, since it uses less digits than its factorization.

144810444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12067544 (or 12067542 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 144810444 is about 12033.7211202520. The cubic root of 144810444 is about 525.1297565894.

Adding to 144810444 its reverse (444018441), we get a palindrome (588828885).

The spelling of 144810444 in words is "one hundred forty-four million, eight hundred ten thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 12067537 24135074 36202611 48270148 72405222 144810444