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144544051 = 367393853
BaseRepresentation
bin10001001110110…
…01000100110011
3101001222121011101
420213121010303
5244000402201
622202025231
73403414141
oct1047310463
9331877141
10144544051
11746560a3
12404a8217
1323c3b732
14152a8591
15ca52d01
hex89d9133

144544051 has 4 divisors (see below), whose sum is σ = 144938272. Its totient is φ = 144149832.

The previous prime is 144544021. The next prime is 144544061. The reversal of 144544051 is 150445441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144544051 - 25 = 144544019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144544021) 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 3 ways as a sum of consecutive naturals, for example, 196560 + ... + 197293.

It is an arithmetic number, because the mean of its divisors is an integer number (36234568).

Almost surely, 2144544051 is an apocalyptic number.

144544051 is a deficient number, since it is larger than the sum of its proper divisors (394221).

144544051 is an equidigital number, since it uses as much as digits as its factorization.

144544051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394220.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 144544051 is about 12022.6474205975. The cubic root of 144544051 is about 524.8075497187.

Adding to 144544051 its reverse (150445441), we get a palindrome (294989492).

The spelling of 144544051 in words is "one hundred forty-four million, five hundred forty-four thousand, fifty-one".

Divisors: 1 367 393853 144544051