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148729345 = 5174142677
BaseRepresentation
bin10001101110101…
…10111000000001
3101100212020022021
420313112320001
5301033314340
622431441441
73454115152
oct1067267001
9340766267
10148729345
1176a54616
1241986281
1324a7573b
1415a77929
15d0cce4a
hex8dd6e01

148729345 has 16 divisors (see below), whose sum is σ = 193587408. Its totient is φ = 109250560.

The previous prime is 148729337. The next prime is 148729367. The reversal of 148729345 is 543927841.

It can be written as a sum of positive squares in 8 ways, for example, as 3936256 + 144793089 = 1984^2 + 12033^2 .

It is not a de Polignac number, because 148729345 - 23 = 148729337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17854 + ... + 24823.

It is an arithmetic number, because the mean of its divisors is an integer number (12099213).

Almost surely, 2148729345 is an apocalyptic number.

It is an amenable number.

148729345 is a deficient number, since it is larger than the sum of its proper divisors (44858063).

148729345 is a wasteful number, since it uses less digits than its factorization.

148729345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42740.

The product of its digits is 241920, while the sum is 43.

The square root of 148729345 is about 12195.4641158096. The cubic root of 148729345 is about 529.8247254761.

The spelling of 148729345 in words is "one hundred forty-eight million, seven hundred twenty-nine thousand, three hundred forty-five".

Divisors: 1 5 17 41 85 205 697 3485 42677 213385 725509 1749757 3627545 8748785 29745869 148729345