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144565429 = 144799907
BaseRepresentation
bin10001001110111…
…10010010110101
3101002000200111011
420213132102311
5244002043204
622202312221
73403533361
oct1047362265
9332020434
10144565429
1174670168
12404b8671
1323c48398
14152b22a1
15ca59304
hex89de4b5

144565429 has 4 divisors (see below), whose sum is σ = 144666784. Its totient is φ = 144464076.

The previous prime is 144565423. The next prime is 144565481. The reversal of 144565429 is 924565441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144565429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144565391 and 144565400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144565423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48507 + ... + 51400.

It is an arithmetic number, because the mean of its divisors is an integer number (36166696).

Almost surely, 2144565429 is an apocalyptic number.

It is an amenable number.

144565429 is a deficient number, since it is larger than the sum of its proper divisors (101355).

144565429 is an equidigital number, since it uses as much as digits as its factorization.

144565429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101354.

The product of its digits is 172800, while the sum is 40.

The square root of 144565429 is about 12023.5364597942. The cubic root of 144565429 is about 524.8334213767.

The spelling of 144565429 in words is "one hundred forty-four million, five hundred sixty-five thousand, four hundred twenty-nine".

Divisors: 1 1447 99907 144565429