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144005345253 = 32721129685703
BaseRepresentation
bin1000011000011101100…
…0110010111111100101
3111202200222110111111200
42012013120302333211
54324410332022003
6150053302153113
713255405144500
oct2060730627745
9452628414450
10144005345253
1156088299330
1223aab122799
131076c635683
146d81574137
153b2c6a06a3
hex2187632fe5

144005345253 has 36 divisors (see below), whose sum is σ = 263965279968. Its totient is φ = 74807969040.

The previous prime is 144005345251. The next prime is 144005345261. The reversal of 144005345253 is 352543500441.

It is not a de Polignac number, because 144005345253 - 21 = 144005345251 is a prime.

It is a super-2 number, since 2×1440053452532 (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 (144005345251) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14838001 + ... + 14847702.

It is an arithmetic number, because the mean of its divisors is an integer number (7332368888).

Almost surely, 2144005345253 is an apocalyptic number.

It is an amenable number.

144005345253 is a deficient number, since it is larger than the sum of its proper divisors (119959934715).

144005345253 is a wasteful number, since it uses less digits than its factorization.

144005345253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29685734 (or 29685724 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 144005345253 its reverse (352543500441), we get a palindrome (496548845694).

The spelling of 144005345253 in words is "one hundred forty-four billion, five million, three hundred forty-five thousand, two hundred fifty-three".

Divisors: 1 3 7 9 11 21 33 49 63 77 99 147 231 441 539 693 1617 4851 29685703 89057109 207799921 267171327 326542733 623399763 979628199 1454599447 1870199289 2285799131 2938884597 4363798341 6857397393 13091395023 16000593917 20572192179 48001781751 144005345253