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144144547 = 1716750773
BaseRepresentation
bin10001001011101…
…11100010100011
3101001020022010221
420211313202203
5243400111142
622145303511
73400131331
oct1045674243
9331208127
10144144547
1174402a28
1240334b97
1323b2b941
1415202b51
15c9c4767
hex89778a3

144144547 has 8 divisors (see below), whose sum is σ = 153540576. Its totient is φ = 134850432.

The previous prime is 144144541. The next prime is 144144551. The reversal of 144144547 is 745441441.

144144547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144144547 - 27 = 144144419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144144541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22548 + ... + 28225.

It is an arithmetic number, because the mean of its divisors is an integer number (19192572).

Almost surely, 2144144547 is an apocalyptic number.

144144547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

144144547 is a deficient number, since it is larger than the sum of its proper divisors (9396029).

144144547 is a wasteful number, since it uses less digits than its factorization.

144144547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50957.

The product of its digits is 35840, while the sum is 34.

The square root of 144144547 is about 12006.0212810073. The cubic root of 144144547 is about 524.3235999639.

Adding to 144144547 its reverse (745441441), we get a palindrome (889585988).

The spelling of 144144547 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred forty-seven".

Divisors: 1 17 167 2839 50773 863141 8479091 144144547