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145355655652 = 22291253065997
BaseRepresentation
bin1000011101011111011…
…1110100100111100100
3111220012002022101010221
42013113313310213210
54340142021440102
6150435300054124
713334022454504
oct2072767644744
9456162271127
10145355655652
1156710529539
1224207394344
13109263070cc
14706ca2da04
153baaecc637
hex21d7df49e4

145355655652 has 12 divisors (see below), whose sum is σ = 263143859580. Its totient is φ = 70171695776.

The previous prime is 145355655647. The next prime is 145355655659. The reversal of 145355655652 is 256556553541.

145355655652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 82842654976 + 62513000676 = 287824^2 + 250026^2 .

It is a super-3 number, since 3×1453556556523 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 145355655652.

It is not an unprimeable number, because it can be changed into a prime (145355655659) 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, 626532883 + ... + 626533114.

It is an arithmetic number, because the mean of its divisors is an integer number (21928654965).

Almost surely, 2145355655652 is an apocalyptic number.

It is an amenable number.

145355655652 is a deficient number, since it is larger than the sum of its proper divisors (117788203928).

145355655652 is a wasteful number, since it uses less digits than its factorization.

145355655652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253066030 (or 1253066028 counting only the distinct ones).

The product of its digits is 13500000, while the sum is 52.

The spelling of 145355655652 in words is "one hundred forty-five billion, three hundred fifty-five million, six hundred fifty-five thousand, six hundred fifty-two".

Divisors: 1 2 4 29 58 116 1253065997 2506131994 5012263988 36338913913 72677827826 145355655652