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145245968 = 2471296839
BaseRepresentation
bin10001010100001…
…00011100010000
3101010022021000022
420222010130100
5244140332333
622225043012
73412366430
oct1052043420
9333267008
10145245968
1174a9549a
1240786468
132412607a
141540c2c0
15cb40c98
hex8a84710

145245968 has 20 divisors (see below), whose sum is σ = 321616320. Its totient is φ = 62248224.

The previous prime is 145245929. The next prime is 145246009. The reversal of 145245968 is 869542541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648308 + ... + 648531.

It is an arithmetic number, because the mean of its divisors is an integer number (16080816).

Almost surely, 2145245968 is an apocalyptic number.

It is an amenable number.

145245968 is an abundant number, since it is smaller than the sum of its proper divisors (176370352).

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

145245968 is a wasteful number, since it uses less digits than its factorization.

145245968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296854 (or 1296848 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 145245968 is about 12051.8035164867. The cubic root of 145245968 is about 525.6556802413.

The spelling of 145245968 in words is "one hundred forty-five million, two hundred forty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1296839 2593678 5187356 9077873 10374712 18155746 20749424 36311492 72622984 145245968