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145718648 = 2344341117
BaseRepresentation
bin10001010111101…
…11110101111000
3101011012021101222
420223313311320
5244300444043
622243131212
73416405465
oct1053676570
9334167358
10145718648
1175288639
1240973b08
132426026a
14154d266c
15cbd5d68
hex8af7d78

145718648 has 16 divisors (see below), whose sum is σ = 273845880. Its totient is φ = 72693088.

The previous prime is 145718647. The next prime is 145718687. The reversal of 145718648 is 846817541.

It is a junction number, because it is equal to n+sod(n) for n = 145718599 and 145718608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145718647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17015 + ... + 24102.

Almost surely, 2145718648 is an apocalyptic number.

It is an amenable number.

145718648 is a deficient number, since it is larger than the sum of its proper divisors (128127232).

145718648 is a wasteful number, since it uses less digits than its factorization.

145718648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41566 (or 41562 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 145718648 is about 12071.3979306458. The cubic root of 145718648 is about 526.2252838466.

The spelling of 145718648 in words is "one hundred forty-five million, seven hundred eighteen thousand, six hundred forty-eight".

Divisors: 1 2 4 8 443 886 1772 3544 41117 82234 164468 328936 18214831 36429662 72859324 145718648