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144443552 = 25111972083
BaseRepresentation
bin10001001110000…
…00100010100000
3101001210111022012
420213000202200
5243434143202
622155532052
73402515141
oct1047004240
9331714265
10144443552
1174597640
124045a028
1323c04a76
141527dac8
15ca33152
hex89c08a0

144443552 has 48 divisors (see below), whose sum is σ = 311949792. Its totient is φ = 65291520.

The previous prime is 144443531. The next prime is 144443561. The reversal of 144443552 is 255344441.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68303 + ... + 70385.

It is an arithmetic number, because the mean of its divisors is an integer number (6498954).

Almost surely, 2144443552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144443552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155974896).

144443552 is an abundant number, since it is smaller than the sum of its proper divisors (167506240).

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

144443552 is a wasteful number, since it uses less digits than its factorization.

144443552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2293 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 144443552 is about 12018.4671235561. The cubic root of 144443552 is about 524.6858916222.

Adding to 144443552 its reverse (255344441), we get a palindrome (399787993).

The spelling of 144443552 in words is "one hundred forty-four million, four hundred forty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 197 352 394 788 1576 2083 2167 3152 4166 4334 6304 8332 8668 16664 17336 22913 33328 34672 45826 66656 69344 91652 183304 366608 410351 733216 820702 1641404 3282808 4513861 6565616 9027722 13131232 18055444 36110888 72221776 144443552