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144086442 = 23297971039
BaseRepresentation
bin10001001011010…
…01010110101010
3101001010100102220
420211221112222
5243341231232
622144134510
73366500043
oct1045512652
9331110386
10144086442
1174373305
1240307436
1323b0b366
14151c98ca
15c9b242c
hex89695aa

144086442 has 32 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 46269888.

The previous prime is 144086401. The next prime is 144086479. The reversal of 144086442 is 244680441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138159 + ... + 139197.

It is an arithmetic number, because the mean of its divisors is an integer number (9336600).

Almost surely, 2144086442 is an apocalyptic number.

144086442 is an abundant number, since it is smaller than the sum of its proper divisors (154684758).

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

144086442 is a wasteful number, since it uses less digits than its factorization.

144086442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 144086442 is about 12003.6012096370. The cubic root of 144086442 is about 524.2531384771.

The spelling of 144086442 in words is "one hundred forty-four million, eighty-six thousand, four hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 797 1039 1594 2078 2391 3117 4782 6234 23113 30131 46226 60262 69339 90393 138678 180786 828083 1656166 2484249 4968498 24014407 48028814 72043221 144086442