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144048073 = 1320995279
BaseRepresentation
bin10001001010111…
…11111111001001
3101001001101210211
420211133333021
5243334014243
622143241121
73366250141
oct1045377711
9331041724
10144048073
11743474a4
12402a91a1
1323ac6a60
14151b9921
15c9a5d9d
hex895ffc9

144048073 has 8 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 132878928.

The previous prime is 144048049. The next prime is 144048083. The reversal of 144048073 is 370840441.

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

It is not a de Polignac number, because 144048073 - 213 = 144039881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144048043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24648 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (19404000).

Almost surely, 2144048073 is an apocalyptic number.

144048073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144048073 is a deficient number, since it is larger than the sum of its proper divisors (11183927).

144048073 is a wasteful number, since it uses less digits than its factorization.

144048073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 144048073 is about 12002.0028745206. The cubic root of 144048073 is about 524.2065996213.

The spelling of 144048073 in words is "one hundred forty-four million, forty-eight thousand, seventy-three".

Divisors: 1 13 2099 5279 27287 68627 11080621 144048073