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144735468 = 22312061289
BaseRepresentation
bin10001010000001…
…11110011101100
3101002100022201220
420220013303230
5244023013333
622210103340
73405142203
oct1050076354
9332308656
10144735468
1174776999
124057ab50
1323ca78b7
141531823a
15ca8e8b3
hex8a07cec

144735468 has 12 divisors (see below), whose sum is σ = 337716120. Its totient is φ = 48245152.

The previous prime is 144735443. The next prime is 144735469. The reversal of 144735468 is 864537441.

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

It is not an unprimeable number, because it can be changed into a prime (144735469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6030633 + ... + 6030656.

It is an arithmetic number, because the mean of its divisors is an integer number (28143010).

Almost surely, 2144735468 is an apocalyptic number.

It is an amenable number.

144735468 is an abundant number, since it is smaller than the sum of its proper divisors (192980652).

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

144735468 is a wasteful number, since it uses less digits than its factorization.

144735468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061296 (or 12061294 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 144735468 is about 12030.6054710476. The cubic root of 144735468 is about 525.0391118254.

The spelling of 144735468 in words is "one hundred forty-four million, seven hundred thirty-five thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 12061289 24122578 36183867 48245156 72367734 144735468