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144315720052157 = 791826781266483
BaseRepresentation
bin100000110100000100011111…
…001110101010110110111101
3200220222110002122220122211102
4200310010133032222312331
5122403432043313132112
61230533420533302445
742253316035332443
oct4064043716526675
9626873078818742
10144315720052157
1141a8aa53736a55
121422942a794a25
13626abb60c4234
14278ccbd46ab93
1511a3eb2c9dbc2
hex83411f3aadbd

144315720052157 has 4 divisors (see below), whose sum is σ = 146142501318720. Its totient is φ = 142488938785596.

The previous prime is 144315720052129. The next prime is 144315720052177. The reversal of 144315720052157 is 751250027513441.

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 144315720052157 - 236 = 144247000575421 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 (144315720052177) 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, 913390633163 + ... + 913390633320.

It is an arithmetic number, because the mean of its divisors is an integer number (36535625329680).

Almost surely, 2144315720052157 is an apocalyptic number.

It is an amenable number.

144315720052157 is a deficient number, since it is larger than the sum of its proper divisors (1826781266563).

144315720052157 is an equidigital number, since it uses as much as digits as its factorization.

144315720052157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826781266562.

The product of its (nonzero) digits is 1176000, while the sum is 47.

Adding to 144315720052157 its reverse (751250027513441), we get a palindrome (895565747565598).

The spelling of 144315720052157 in words is "one hundred forty-four trillion, three hundred fifteen billion, seven hundred twenty million, fifty-two thousand, one hundred fifty-seven".

Divisors: 1 79 1826781266483 144315720052157