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144351404 = 2223268219
BaseRepresentation
bin10001001101010…
…10000010101100
3101001121210220022
420212222002230
5243423221104
622153541312
73401652401
oct1046520254
9331553808
10144351404
117453438a
1240414838
1323ba1b42
14152582a8
15ca15bbe
hex89aa0ac

144351404 has 18 divisors (see below), whose sum is σ = 264079620. Its totient is φ = 69036616.

The previous prime is 144351401. The next prime is 144351439. The reversal of 144351404 is 404153441.

It is a happy number.

144351404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144351401) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 31994 + ... + 36225.

It is an arithmetic number, because the mean of its divisors is an integer number (14671090).

Almost surely, 2144351404 is an apocalyptic number.

It is an amenable number.

144351404 is a deficient number, since it is larger than the sum of its proper divisors (119728216).

144351404 is a wasteful number, since it uses less digits than its factorization.

144351404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68269 (or 68244 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 144351404 is about 12014.6329115791. The cubic root of 144351404 is about 524.5742931467.

The spelling of 144351404 in words is "one hundred forty-four million, three hundred fifty-one thousand, four hundred four".

Divisors: 1 2 4 23 46 92 529 1058 2116 68219 136438 272876 1569037 3138074 6276148 36087851 72175702 144351404