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144634211545 = 52943179129593
BaseRepresentation
bin1000011010110011011…
…1101110110011011001
3111211022210210012212211
42012230313232303121
54332202324232140
6150235525035121
713310112341065
oct2065467566331
9454283705784
10144634211545
115638027293a
1224045855aa1
131083c9ca1c5
147000cb2aa5
153b679c12ea
hex21acdeecd9

144634211545 has 32 divisors (see below), whose sum is σ = 184749206400. Its totient is φ = 108508936704.

The previous prime is 144634211543. The next prime is 144634211551. The reversal of 144634211545 is 545112436441.

It is a cyclic number.

It is not a de Polignac number, because 144634211545 - 21 = 144634211543 is a prime.

It is a super-3 number, since 3×1446342115453 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 144634211498 and 144634211507.

It is not an unprimeable number, because it can be changed into a prime (144634211543) 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, 1051269 + ... + 1180861.

It is an arithmetic number, because the mean of its divisors is an integer number (5773412700).

Almost surely, 2144634211545 is an apocalyptic number.

It is an amenable number.

144634211545 is a deficient number, since it is larger than the sum of its proper divisors (40114994855).

144634211545 is a wasteful number, since it uses less digits than its factorization.

144634211545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129849.

The product of its digits is 230400, while the sum is 40.

Adding to 144634211545 its reverse (545112436441), we get a palindrome (689746647986).

The spelling of 144634211545 in words is "one hundred forty-four billion, six hundred thirty-four million, two hundred eleven thousand, five hundred forty-five".

Divisors: 1 5 29 43 145 179 215 895 1247 5191 6235 7697 25955 38485 129593 223213 647965 1116065 3758197 5572499 18790985 23197147 27862495 115985735 161602471 672717263 808012355 997477321 3363586315 4987386605 28926842309 144634211545