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145324344 = 23311550471
BaseRepresentation
bin10001010100101…
…11100100111000
3101010110020112010
420222113210320
5244200334334
622230445520
73413144064
oct1052274470
9333406463
10145324344
1175039370
12408038a0
1324152949
141542caa4
15cb590e9
hex8a97938

145324344 has 32 divisors (see below), whose sum is σ = 396339840. Its totient is φ = 44037600.

The previous prime is 145324343. The next prime is 145324367. The reversal of 145324344 is 443423541.

It is a super-2 number, since 2×1453243442 = 42238329918060672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145324343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274972 + ... + 275499.

It is an arithmetic number, because the mean of its divisors is an integer number (12385620).

Almost surely, 2145324344 is an apocalyptic number.

It is an amenable number.

145324344 is an abundant number, since it is smaller than the sum of its proper divisors (251015496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145324344 is a wasteful number, since it uses less digits than its factorization.

145324344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550491 (or 550487 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 145324344 is about 12055.0547074661. The cubic root of 145324344 is about 525.7502127137.

Adding to 145324344 its reverse (443423541), we get a palindrome (588747885).

The spelling of 145324344 in words is "one hundred forty-five million, three hundred twenty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 550471 1100942 1651413 2201884 3302826 4403768 6055181 6605652 12110362 13211304 18165543 24220724 36331086 48441448 72662172 145324344