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144423512 = 2318052939
BaseRepresentation
bin10001001101110…
…11101001011000
3101001202110210222
420212323221120
5243433023022
622155255212
73402402542
oct1046735130
9331673728
10144423512
1174583582
124044a508
1323bc88cc
1415276692
15ca2c242
hex89bba58

144423512 has 8 divisors (see below), whose sum is σ = 270794100. Its totient is φ = 72211752.

The previous prime is 144423493. The next prime is 144423523. The reversal of 144423512 is 215324441.

144423512 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026462 + ... + 9026477.

Almost surely, 2144423512 is an apocalyptic number.

It is an amenable number.

144423512 is a deficient number, since it is larger than the sum of its proper divisors (126370588).

144423512 is a wasteful number, since it uses less digits than its factorization.

144423512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18052945 (or 18052941 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 144423512 is about 12017.6333776663. The cubic root of 144423512 is about 524.6616256455.

Adding to 144423512 its reverse (215324441), we get a palindrome (359747953).

The spelling of 144423512 in words is "one hundred forty-four million, four hundred twenty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 18052939 36105878 72211756 144423512