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145456040009 = 71131391322941
BaseRepresentation
bin1000011101110111011…
…0110000100001001001
3111220110002012102121002
42013131312300201021
54340343221240014
6150453243424345
713336351640330
oct2073566604111
9456402172532
10145456040009
1156762162815
1224234b250b5
1310941053837
14707c0c0d17
153bb4c0adde
hex21dddb0849

145456040009 has 16 divisors (see below), whose sum is σ = 168913234560. Its totient is φ = 122684163840.

The previous prime is 145456039997. The next prime is 145456040017. The reversal of 145456040009 is 900040654541.

It is not a de Polignac number, because 145456040009 - 228 = 145187604553 is a prime.

It is a super-3 number, since 3×1454560400093 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (145456040209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551522 + ... + 771419.

It is an arithmetic number, because the mean of its divisors is an integer number (10557077160).

Almost surely, 2145456040009 is an apocalyptic number.

It is an amenable number.

145456040009 is a deficient number, since it is larger than the sum of its proper divisors (23457194551).

145456040009 is a wasteful number, since it uses less digits than its factorization.

145456040009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323200.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 145456040009 in words is "one hundred forty-five billion, four hundred fifty-six million, forty thousand, nine".

Divisors: 1 7 113 139 791 973 15707 109949 1322941 9260587 149492333 183888799 1046446331 1287221593 20779434287 145456040009