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145006443 = 341790203
BaseRepresentation
bin10001010010010…
…01111101101011
3101002212002110000
420221021331223
5244110201233
622215554043
73410351211
oct1051117553
9332762400
10145006443
117494153a
124068b923
132407103a
1415388cb1
15cae4d13
hex8a49f6b

145006443 has 10 divisors (see below), whose sum is σ = 216614684. Its totient is φ = 96670908.

The previous prime is 145006439. The next prime is 145006469. The reversal of 145006443 is 344600541.

145006443 is a `hidden beast` number, since 14 + 5 + 0 + 0 + 644 + 3 = 666.

It is not a de Polignac number, because 145006443 - 22 = 145006439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145006343) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 895021 + ... + 895182.

Almost surely, 2145006443 is an apocalyptic number.

145006443 is a deficient number, since it is larger than the sum of its proper divisors (71608241).

145006443 is an equidigital number, since it uses as much as digits as its factorization.

145006443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790215 (or 1790206 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 145006443 is about 12041.8621068338. The cubic root of 145006443 is about 525.3665684827.

Adding to 145006443 its reverse (344600541), we get a palindrome (489606984).

The spelling of 145006443 in words is "one hundred forty-five million, six thousand, four hundred forty-three".

Divisors: 1 3 9 27 81 1790203 5370609 16111827 48335481 145006443