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144044642 = 2710288903
BaseRepresentation
bin10001001010111…
…11001001100010
3101001001020002202
420211133021202
5243333412032
622143213202
73366234140
oct1045371142
9331036082
10144044642
1174344965
12402a7202
1323ac5321
14151b8590
15c9a4d62
hex895f262

144044642 has 8 divisors (see below), whose sum is σ = 246933696. Its totient is φ = 61733412.

The previous prime is 144044623. The next prime is 144044647. The reversal of 144044642 is 246440441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144044647) 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, 5144438 + ... + 5144465.

It is an arithmetic number, because the mean of its divisors is an integer number (30866712).

Almost surely, 2144044642 is an apocalyptic number.

144044642 is a deficient number, since it is larger than the sum of its proper divisors (102889054).

144044642 is a wasteful number, since it uses less digits than its factorization.

144044642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288912.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 144044642 is about 12001.8599391928. The cubic root of 144044642 is about 524.2024376609.

The spelling of 144044642 in words is "one hundred forty-four million, forty-four thousand, six hundred forty-two".

Divisors: 1 2 7 14 10288903 20577806 72022321 144044642