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144553132 = 2283435401
BaseRepresentation
bin10001001110110…
…11010010101100
3101002000001121201
420213123102230
5244001200012
622202135244
73403452463
oct1047332254
9332001551
10144553132
11746619a9
12404b1524
1323c428c9
14152ab9da
15ca55857
hex89db4ac

144553132 has 12 divisors (see below), whose sum is σ = 256016376. Its totient is φ = 71405600.

The previous prime is 144553109. The next prime is 144553133. The reversal of 144553132 is 231355441.

144553132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144553132.

It is not an unprimeable number, because it can be changed into a prime (144553133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217369 + ... + 218032.

It is an arithmetic number, because the mean of its divisors is an integer number (21334698).

Almost surely, 2144553132 is an apocalyptic number.

It is an amenable number.

144553132 is a deficient number, since it is larger than the sum of its proper divisors (111463244).

144553132 is a wasteful number, since it uses less digits than its factorization.

144553132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435488 (or 435486 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 144553132 is about 12023.0250769097. The cubic root of 144553132 is about 524.8185398576.

The spelling of 144553132 in words is "one hundred forty-four million, five hundred fifty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 83 166 332 435401 870802 1741604 36138283 72276566 144553132