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144132609 = 3313174889
BaseRepresentation
bin10001001011101…
…00101000000001
3101001012200202210
420211310220001
5243344220414
622145132333
73400051455
oct1045645001
9331180683
10144132609
11743a4a65
124032a0a9
1323b2638a
14151dc665
15c9c0e59
hex8974a01

144132609 has 16 divisors (see below), whose sum is σ = 199042560. Its totient is φ = 92676480.

The previous prime is 144132607. The next prime is 144132629. The reversal of 144132609 is 906231441.

It is not a de Polignac number, because 144132609 - 21 = 144132607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144132601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27037 + ... + 31925.

It is an arithmetic number, because the mean of its divisors is an integer number (12440160).

Almost surely, 2144132609 is an apocalyptic number.

It is an amenable number.

144132609 is a deficient number, since it is larger than the sum of its proper divisors (54909951).

144132609 is a wasteful number, since it uses less digits than its factorization.

144132609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 144132609 is about 12005.5241035117. The cubic root of 144132609 is about 524.3091247998.

The spelling of 144132609 in words is "one hundred forty-four million, one hundred thirty-two thousand, six hundred nine".

Divisors: 1 3 31 93 317 951 4889 9827 14667 29481 151559 454677 1549813 4649439 48044203 144132609