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158745145 = 513103131181
BaseRepresentation
bin10010111011001…
…00001000111001
3102001201002101211
421131210020321
5311114321040
623430243121
73635211556
oct1135441071
9361632354
10158745145
1181675639
12451b64a1
1326b71550
1417123a2d
15de0a8ea
hex9764239

158745145 has 32 divisors (see below), whose sum is σ = 209873664. Its totient is φ = 114566400.

The previous prime is 158745127. The next prime is 158745151. The reversal of 158745145 is 541547851.

It is not a de Polignac number, because 158745145 - 25 = 158745113 is a prime.

It is a super-2 number, since 2×1587451452 = 50400042122142050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158745098 and 158745107.

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 31 ways as a sum of consecutive naturals, for example, 876955 + ... + 877135.

It is an arithmetic number, because the mean of its divisors is an integer number (6558552).

Almost surely, 2158745145 is an apocalyptic number.

It is an amenable number.

158745145 is a deficient number, since it is larger than the sum of its proper divisors (51128519).

158745145 is a wasteful number, since it uses less digits than its factorization.

158745145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 112000, while the sum is 40.

The square root of 158745145 is about 12599.4105020830. The cubic root of 158745145 is about 541.4605465324.

The spelling of 158745145 in words is "one hundred fifty-eight million, seven hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 13 65 103 131 181 515 655 905 1339 1703 2353 6695 8515 11765 13493 18643 23711 67465 93215 118555 175409 242359 308243 877045 1211795 1541215 2442233 12211165 31749029 158745145