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144422552 = 23293143467
BaseRepresentation
bin10001001101110…
…11011010011000
3101001202102111102
420212323122120
5243433010202
622155250532
73402400001
oct1046733230
9331672442
10144422552
117458288a
1240449a48
1323bc8341
14152761a8
15ca2bd02
hex89bb698

144422552 has 64 divisors (see below), whose sum is σ = 296524800. Its totient is φ = 65761920.

The previous prime is 144422539. The next prime is 144422561. The reversal of 144422552 is 255224441.

144422552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309023 + ... + 309489.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2144422552 is an apocalyptic number.

It is an amenable number.

144422552 is an abundant number, since it is smaller than the sum of its proper divisors (152102248).

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

144422552 is a wasteful number, since it uses less digits than its factorization.

144422552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 572 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 144422552 is about 12017.5934362916. The cubic root of 144422552 is about 524.6604631472.

Adding to 144422552 its reverse (255224441), we get a palindrome (399646993).

The spelling of 144422552 in words is "one hundred forty-four million, four hundred twenty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 29 31 43 58 62 86 116 124 172 232 248 344 467 899 934 1247 1333 1798 1868 2494 2666 3596 3736 4988 5332 7192 9976 10664 13543 14477 20081 27086 28954 38657 40162 54172 57908 77314 80324 108344 115816 154628 160648 309256 419833 582349 622511 839666 1164698 1245022 1679332 2329396 2490044 3358664 4658792 4980088 18052819 36105638 72211276 144422552