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145245024 = 2532504323
BaseRepresentation
bin10001010100001…
…00001101100000
3101010022012201100
420222010031200
5244140320044
622225034400
73412363611
oct1052041540
9333265640
10145245024
1174a94811
1240785a00
1324125802
141540bc08
15cb40869
hex8a84360

145245024 has 36 divisors (see below), whose sum is σ = 413041356. Its totient is φ = 48414912.

The previous prime is 145245019. The next prime is 145245041. The reversal of 145245024 is 420542541.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1452450242 = 42192233993521152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251874 + ... + 252449.

It is an arithmetic number, because the mean of its divisors is an integer number (11473371).

Almost surely, 2145245024 is an apocalyptic number.

It is an amenable number.

145245024 is an abundant number, since it is smaller than the sum of its proper divisors (267796332).

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

145245024 is a wasteful number, since it uses less digits than its factorization.

145245024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504339 (or 504328 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 145245024 is about 12051.7643521602. The cubic root of 145245024 is about 525.6545414373.

Adding to 145245024 its reverse (420542541), we get a palindrome (565787565).

The spelling of 145245024 in words is "one hundred forty-five million, two hundred forty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 504323 1008646 1512969 2017292 3025938 4034584 4538907 6051876 8069168 9077814 12103752 16138336 18155628 24207504 36311256 48415008 72622512 145245024