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145328612 = 221113254071
BaseRepresentation
bin10001010100110…
…00100111100100
3101010110110101012
420222120213210
5244201003422
622230521352
73413162402
oct1052304744
9333413335
10145328612
11750415a0
1240806258
1324154880
1415430472
15cb5a4e2
hex8a989e4

145328612 has 24 divisors (see below), whose sum is σ = 298788672. Its totient is φ = 60976800.

The previous prime is 145328609. The next prime is 145328627. The reversal of 145328612 is 216823541.

It is a super-2 number, since 2×1453286122 = 42240810931693088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126464 + ... + 127607.

It is an arithmetic number, because the mean of its divisors is an integer number (12449528).

Almost surely, 2145328612 is an apocalyptic number.

It is an amenable number.

145328612 is an abundant number, since it is smaller than the sum of its proper divisors (153460060).

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

145328612 is a wasteful number, since it uses less digits than its factorization.

145328612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254099 (or 254097 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 145328612 is about 12055.2317273456. The cubic root of 145328612 is about 525.7553595457.

The spelling of 145328612 in words is "one hundred forty-five million, three hundred twenty-eight thousand, six hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 254071 508142 1016284 2794781 3302923 5589562 6605846 11179124 13211692 36332153 72664306 145328612