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145775343740 = 225131732980847
BaseRepresentation
bin1000011111000011100…
…0110011100001111100
3111221021100000201222012
42013300320303201330
54342021441444430
6150545051310352
713350306656105
oct2076070634174
9457240021865
10145775343740
11569064213a4
1224303a4b3b8
131099224cb60
1470ac67b3ac
153bd2c7e695
hex21f0e3387c

145775343740 has 48 divisors (see below), whose sum is σ = 349069295232. Its totient is φ = 50658579456.

The previous prime is 145775343719. The next prime is 145775343761. The reversal of 145775343740 is 47343577541.

145775343740 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145775343719) and next prime (145775343761).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16486004 + ... + 16494843.

It is an arithmetic number, because the mean of its divisors is an integer number (7272276984).

Almost surely, 2145775343740 is an apocalyptic number.

145775343740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145775343740 is an abundant number, since it is smaller than the sum of its proper divisors (203293951492).

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

145775343740 is a wasteful number, since it uses less digits than its factorization.

145775343740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32980886 (or 32980884 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 145775343740 in words is "one hundred forty-five billion, seven hundred seventy-five million, three hundred forty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 32980847 65961694 131923388 164904235 329808470 428751011 560674399 659616940 857502022 1121348798 1715004044 2143755055 2242697596 2803371995 4287510110 5606743990 7288767187 8575020220 11213487980 14577534374 29155068748 36443835935 72887671870 145775343740