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144503041 = 1051137491
BaseRepresentation
bin10001001110011…
…11000100000001
3101001220111220111
420213033010001
5243443044131
622201111321
73403153444
oct1047170401
9331814814
10144503041
1174628301
1240488541
1323c25b77
141529765b
15ca45ab1
hex89cf101

144503041 has 4 divisors (see below), whose sum is σ = 144641584. Its totient is φ = 144364500.

The previous prime is 144503039. The next prime is 144503057. The reversal of 144503041 is 140305441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140305441 = 831690427.

It is a cyclic number.

It is not a de Polignac number, because 144503041 - 21 = 144503039 is a prime.

It is a super-2 number, since 2×1445030412 = 41762257716495362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144503071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67695 + ... + 69796.

It is an arithmetic number, because the mean of its divisors is an integer number (36160396).

Almost surely, 2144503041 is an apocalyptic number.

It is an amenable number.

144503041 is a deficient number, since it is larger than the sum of its proper divisors (138543).

144503041 is a wasteful number, since it uses less digits than its factorization.

144503041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138542.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144503041 is about 12020.9417684306. The cubic root of 144503041 is about 524.7579122709.

Adding to 144503041 its reverse (140305441), we get a palindrome (284808482).

The spelling of 144503041 in words is "one hundred forty-four million, five hundred three thousand, forty-one".

Divisors: 1 1051 137491 144503041