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144514432 = 271129019
BaseRepresentation
bin10001001110100…
…01110110000000
3101001221002112101
420213101312000
5243443430212
622201240144
73403231606
oct1047216600
9331832471
10144514432
1174635917
1240493054
1323c2b0ca
141529b876
15ca49157
hex89d1d80

144514432 has 16 divisors (see below), whose sum is σ = 287900100. Its totient is φ = 72257152.

The previous prime is 144514421. The next prime is 144514439. The reversal of 144514432 is 234415441.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 144514432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144514439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564382 + ... + 564637.

Almost surely, 2144514432 is an apocalyptic number.

It is an amenable number.

144514432 is a deficient number, since it is larger than the sum of its proper divisors (143385668).

144514432 is an equidigital number, since it uses as much as digits as its factorization.

144514432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129033 (or 1129021 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 144514432 is about 12021.4155572462. The cubic root of 144514432 is about 524.7717005858.

Adding to 144514432 its reverse (234415441), we get a palindrome (378929873).

The spelling of 144514432 in words is "one hundred forty-four million, five hundred fourteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 1129019 2258038 4516076 9032152 18064304 36128608 72257216 144514432