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145163261154 = 23177120044637
BaseRepresentation
bin1000011100110001100…
…1111001010011100010
3111212200200021201111210
42013030121321103202
54334243243324104
6150404224250550
713326165234552
oct2071431712342
9455620251453
10145163261154
115662197071a
1224172a70a56
13108c54b3802
14705126b162
153b99176989
hex21cc6794e2

145163261154 has 32 divisors (see below), whose sum is σ = 311734210176. Its totient is φ = 44899984640.

The previous prime is 145163261129. The next prime is 145163261203. The reversal of 145163261154 is 451162361541.

It is a Curzon number.

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, 10015077 + ... + 10029560.

It is an arithmetic number, because the mean of its divisors is an integer number (9741694068).

Almost surely, 2145163261154 is an apocalyptic number.

145163261154 is an abundant number, since it is smaller than the sum of its proper divisors (166570949022).

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

145163261154 is a wasteful number, since it uses less digits than its factorization.

145163261154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044730.

The product of its digits is 86400, while the sum is 39.

The spelling of 145163261154 in words is "one hundred forty-five billion, one hundred sixty-three million, two hundred sixty-one thousand, one hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 71 102 142 213 426 1207 2414 3621 7242 20044637 40089274 60133911 120267822 340758829 681517658 1022276487 1423169227 2044552974 2846338454 4269507681 8539015362 24193876859 48387753718 72581630577 145163261154