Search a number
-
+
145351570 = 25713211757
BaseRepresentation
bin10001010100111…
…10001110010010
3101010111121212111
420222132032102
5244202222240
622231215534
73413316340
oct1052361622
9333447774
10145351570
1175057871
12408175aa
1324162160
1415438990
15cb621ea
hex8a9e392

145351570 has 64 divisors (see below), whose sum is σ = 323963136. Its totient is φ = 45722880.

The previous prime is 145351537. The next prime is 145351571. The reversal of 145351570 is 75153541.

It is a super-2 number, since 2×1453515702 = 42254157802929800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145351571) by changing a digit.

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, 191632 + ... + 192388.

It is an arithmetic number, because the mean of its divisors is an integer number (5061924).

Almost surely, 2145351570 is an apocalyptic number.

145351570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145351570 is an abundant number, since it is smaller than the sum of its proper divisors (178611566).

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

145351570 is a wasteful number, since it uses less digits than its factorization.

145351570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 145351570 is about 12056.1838904356. The cubic root of 145351570 is about 525.7830431423.

The spelling of 145351570 in words is "one hundred forty-five million, three hundred fifty-one thousand, five hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 211 422 455 757 910 1055 1477 1514 2110 2743 2954 3785 5299 5486 7385 7570 9841 10598 13715 14770 19201 19682 26495 27430 38402 49205 52990 68887 96005 98410 137774 159727 192010 319454 344435 688870 798635 1118089 1597270 2076451 2236178 4152902 5590445 10382255 11180890 14535157 20764510 29070314 72675785 145351570