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144605307841 = 1186312189607
BaseRepresentation
bin1000011010101100100…
…1011110001111000001
3111211020210101202110021
42012223021132033001
54332122424322331
6150233013333441
713306311556531
oct2065311361701
9454223352407
10144605307841
1156365a21085
1224038037281
1310836a1a217
146ddb10b4c1
153b651b2211
hex21ab25e3c1

144605307841 has 4 divisors (see below), whose sum is σ = 144617509312. Its totient is φ = 144593106372.

The previous prime is 144605307829. The next prime is 144605307851. The reversal of 144605307841 is 148703506441.

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 not a de Polignac number, because 144605307841 - 217 = 144605176769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144605307851) 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, 6082941 + ... + 6106666.

It is an arithmetic number, because the mean of its divisors is an integer number (36154377328).

Almost surely, 2144605307841 is an apocalyptic number.

It is an amenable number.

144605307841 is a deficient number, since it is larger than the sum of its proper divisors (12201471).

144605307841 is a wasteful number, since it uses less digits than its factorization.

144605307841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201470.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 144605307841 in words is "one hundred forty-four billion, six hundred five million, three hundred seven thousand, eight hundred forty-one".

Divisors: 1 11863 12189607 144605307841