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145260104 = 231117891091
BaseRepresentation
bin10001010100001…
…11111001001000
3101010022222101212
420222013321020
5244141310404
622225232252
73412455563
oct1052077110
9333288355
10145260104
1174aa5080
1240792688
132412c632
14154134da
15cb4506e
hex8a87e48

145260104 has 64 divisors (see below), whose sum is σ = 318427200. Its totient is φ = 61388800.

The previous prime is 145260091. The next prime is 145260133. The reversal of 145260104 is 401062541.

It is a super-2 number, since 2×1452601042 = 42200995628181632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145260104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132599 + ... + 133689.

It is an arithmetic number, because the mean of its divisors is an integer number (4975425).

Almost surely, 2145260104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145260104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159213600).

145260104 is an abundant number, since it is smaller than the sum of its proper divisors (173167096).

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

145260104 is a wasteful number, since it uses less digits than its factorization.

145260104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145260104 is about 12052.3899704581. The cubic root of 145260104 is about 525.6727327574.

The spelling of 145260104 in words is "one hundred forty-five million, two hundred sixty thousand, one hundred four".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 89 136 178 187 356 374 712 748 979 1091 1496 1513 1958 2182 3026 3916 4364 6052 7832 8728 12001 12104 16643 18547 24002 33286 37094 48004 66572 74188 96008 97099 133144 148376 194198 204017 388396 408034 776792 816068 1068089 1632136 1650683 2136178 3301366 4272356 6602732 8544712 13205464 18157513 36315026 72630052 145260104