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145134223141 = 4116321716927
BaseRepresentation
bin1000011100101010101…
…1000111111100100101
3111212121122122102211211
42013022223013330211
54334213330120031
6150401310031421
713325363353615
oct2071253077445
9455548572754
10145134223141
1156607537a66
12241651a8571
13108bc48765b
14704b46ca45
153b9683cbb1
hex21caac7f25

145134223141 has 8 divisors (see below), whose sum is σ = 149586200064. Its totient is φ = 140725680480.

The previous prime is 145134223109. The next prime is 145134223159. The reversal of 145134223141 is 141322431541.

It is a happy number.

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 145134223141 - 25 = 145134223109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145134203141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10851781 + ... + 10865146.

It is an arithmetic number, because the mean of its divisors is an integer number (18698275008).

Almost surely, 2145134223141 is an apocalyptic number.

It is an amenable number.

145134223141 is a deficient number, since it is larger than the sum of its proper divisors (4451976923).

145134223141 is a wasteful number, since it uses less digits than its factorization.

145134223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21717131.

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

Adding to 145134223141 its reverse (141322431541), we get a palindrome (286456654682).

The spelling of 145134223141 in words is "one hundred forty-five billion, one hundred thirty-four million, two hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 41 163 6683 21716927 890394007 3539859101 145134223141