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144486741 = 372982903
BaseRepresentation
bin10001001110010…
…11000101010101
3101001212200112210
420213023011111
5243442033431
622200504033
73403055100
oct1047130525
9331780483
10144486741
1174617033
124047b019
1323c1b619
1415291737
15ca40d46
hex89cb155

144486741 has 12 divisors (see below), whose sum is σ = 224102112. Its totient is φ = 82563768.

The previous prime is 144486737. The next prime is 144486763. The reversal of 144486741 is 147684441.

It is not a de Polignac number, because 144486741 - 22 = 144486737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144486741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144486721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491305 + ... + 491598.

It is an arithmetic number, because the mean of its divisors is an integer number (18675176).

Almost surely, 2144486741 is an apocalyptic number.

It is an amenable number.

144486741 is a deficient number, since it is larger than the sum of its proper divisors (79615371).

144486741 is an equidigital number, since it uses as much as digits as its factorization.

144486741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982920 (or 982913 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 144486741 is about 12020.2637658248. The cubic root of 144486741 is about 524.7381805625.

The spelling of 144486741 in words is "one hundred forty-four million, four hundred eighty-six thousand, seven hundred forty-one".

Divisors: 1 3 7 21 49 147 982903 2948709 6880321 20640963 48162247 144486741