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145795120 = 2451822439
BaseRepresentation
bin10001011000010…
…10100000110000
3101011100011022021
420230022200300
5244310420440
622244521224
73420144442
oct1054124060
9334304267
10145795120
1175330039
12409b0214
1324289003
1415512492
15cbed84a
hex8b0a830

145795120 has 20 divisors (see below), whose sum is σ = 338973840. Its totient is φ = 58318016.

The previous prime is 145795109. The next prime is 145795123. The reversal of 145795120 is 21597541.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (145795123) 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, 911140 + ... + 911299.

It is an arithmetic number, because the mean of its divisors is an integer number (16948692).

Almost surely, 2145795120 is an apocalyptic number.

145795120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145795120 is an abundant number, since it is smaller than the sum of its proper divisors (193178720).

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

145795120 is a wasteful number, since it uses less digits than its factorization.

145795120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822452 (or 1822446 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 145795120 is about 12074.5650025167. The cubic root of 145795120 is about 526.3173207113.

The spelling of 145795120 in words is "one hundred forty-five million, seven hundred ninety-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1822439 3644878 7289756 9112195 14579512 18224390 29159024 36448780 72897560 145795120