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145725475524 = 223107139816499
BaseRepresentation
bin1000011110110111101…
…0100100101011000100
3111221010212012011122020
42013231322210223010
54341421210204044
6150540110403140
713346133050526
oct2075572445304
9457125164566
10145725475524
11568902606a2
12242ab2004b0
1310984b0c735
1470a5bb9a16
153bcd6cda19
hex21edea4ac4

145725475524 has 48 divisors (see below), whose sum is σ = 345673440000. Its totient is φ = 47774930976.

The previous prime is 145725475523. The next prime is 145725475537. The reversal of 145725475524 is 425574527541.

145725475524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145725475523) by changing a digit.

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, 229774 + ... + 586725.

It is an arithmetic number, because the mean of its divisors is an integer number (7201530000).

Almost surely, 2145725475524 is an apocalyptic number.

It is an amenable number.

145725475524 is an abundant number, since it is smaller than the sum of its proper divisors (199947964476).

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

145725475524 is a wasteful number, since it uses less digits than its factorization.

145725475524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816752 (or 816750 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 51.

The spelling of 145725475524 in words is "one hundred forty-five billion, seven hundred twenty-five million, four hundred seventy-five thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 107 139 214 278 321 417 428 556 642 834 1284 1668 14873 29746 44619 59492 89238 178476 816499 1632998 2449497 3265996 4898994 9797988 87365393 113493361 174730786 226986722 262096179 340480083 349461572 453973444 524192358 680960166 1048384716 1361920332 12143789627 24287579254 36431368881 48575158508 72862737762 145725475524