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145046211223 = 1918142176857
BaseRepresentation
bin1000011100010101101…
…1011000101010010111
3111212101112000222012011
42013011123120222113
54334023312224343
6150344443405051
713323244311244
oct2070533305227
9455345028164
10145046211223
1156571894341
122413b823787
13108a71805b4
14703d8bc5cb
153b8dc5529d
hex21c56d8a97

145046211223 has 8 divisors (see below), whose sum is σ = 153523763120. Its totient is φ = 136653013440.

The previous prime is 145046211203. The next prime is 145046211281. The reversal of 145046211223 is 322112640541.

145046211223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145046211223 - 29 = 145046210711 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 (145046211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21084990 + ... + 21091867.

It is an arithmetic number, because the mean of its divisors is an integer number (19190470390).

Almost surely, 2145046211223 is an apocalyptic number.

145046211223 is a deficient number, since it is larger than the sum of its proper divisors (8477551897).

145046211223 is a wasteful number, since it uses less digits than its factorization.

145046211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42177057.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 145046211223 its reverse (322112640541), we get a palindrome (467158851764).

The spelling of 145046211223 in words is "one hundred forty-five billion, forty-six million, two hundred eleven thousand, two hundred twenty-three".

Divisors: 1 19 181 3439 42176857 801360283 7634011117 145046211223