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145454560999 = 11176721155021
BaseRepresentation
bin1000011101110111000…
…1000111011011100111
3111220102222102021202221
42013131301013123213
54340342331422444
6150453152013211
713336333240336
oct2073561073347
9456388367687
10145454560999
11567613425a0
1224234531207
1310940956597
14707bc17d1d
153bb4a17a84
hex21ddc476e7

145454560999 has 32 divisors (see below), whose sum is σ = 171330584832. Its totient is φ = 122012352000.

The previous prime is 145454560973. The next prime is 145454561017. The reversal of 145454560999 is 999065454541.

It is a de Polignac number, because none of the positive numbers 2k-145454560999 is a prime.

It is a super-3 number, since 3×1454545609993 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145454560949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616109 + ... + 2671129.

It is an arithmetic number, because the mean of its divisors is an integer number (5354080776).

Almost surely, 2145454560999 is an apocalyptic number.

145454560999 is a deficient number, since it is larger than the sum of its proper divisors (25876023833).

145454560999 is a wasteful number, since it uses less digits than its factorization.

145454560999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55327.

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 145454560999 in words is "one hundred forty-five billion, four hundred fifty-four million, five hundred sixty thousand, nine hundred ninety-nine".

Divisors: 1 11 17 67 187 211 737 1139 2321 3587 12529 14137 39457 55021 155507 240329 605231 935357 2643619 3686407 10288927 11609431 40550477 62668919 127703741 197360327 689358109 777831877 2170963597 8556150647 13223141909 145454560999