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144605445254 = 2174253101331
BaseRepresentation
bin1000011010101100100…
…1111111110010000110
3111211020210122201221122
42012223021333302012
54332122443222004
6150233020313542
713306313001254
oct2065311776206
9454223581848
10144605445254
1156366005346
12240380a28b2
1310836a6792a
146ddb1455d4
153b651dccbe
hex21ab27fc86

144605445254 has 8 divisors (see below), whose sum is σ = 229667471928. Its totient is φ = 68049621280.

The previous prime is 144605445253. The next prime is 144605445289. The reversal of 144605445254 is 452544506441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1446054452542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144605445253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126550632 + ... + 2126550699.

It is an arithmetic number, because the mean of its divisors is an integer number (28708433991).

Almost surely, 2144605445254 is an apocalyptic number.

144605445254 is a deficient number, since it is larger than the sum of its proper divisors (85062026674).

144605445254 is a wasteful number, since it uses less digits than its factorization.

144605445254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253101350.

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 144605445254 in words is "one hundred forty-four billion, six hundred five million, four hundred forty-five thousand, two hundred fifty-four".

Divisors: 1 2 17 34 4253101331 8506202662 72302722627 144605445254