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144519005 = 5231256687
BaseRepresentation
bin10001001110100…
…10111101011101
3101001221022210202
420213102331131
5243444102010
622201313245
73403251131
oct1047227535
9331838722
10144519005
11746392a4
1240495825
1323c30207
141529d3c1
15ca4a6a5
hex89d2f5d

144519005 has 8 divisors (see below), whose sum is σ = 180963072. Its totient is φ = 110588368.

The previous prime is 144518987. The next prime is 144519007. The reversal of 144519005 is 500915441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144519005 - 210 = 144517981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144519007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628229 + ... + 628458.

It is an arithmetic number, because the mean of its divisors is an integer number (22620384).

Almost surely, 2144519005 is an apocalyptic number.

It is an amenable number.

144519005 is a deficient number, since it is larger than the sum of its proper divisors (36444067).

144519005 is a wasteful number, since it uses less digits than its factorization.

144519005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256715.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 144519005 is about 12021.6057579676. The cubic root of 144519005 is about 524.7772358016. Note that the first 3 decimals are identical.

The spelling of 144519005 in words is "one hundred forty-four million, five hundred nineteen thousand, five".

Divisors: 1 5 23 115 1256687 6283435 28903801 144519005