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145227083922 = 2347923792
BaseRepresentation
bin1000011101000000110…
…1010111000010010010
3111212212010101020220000
42013100031113002102
54334411113141142
6150414424230430
713330601563014
oct2072015270222
9455763336800
10145227083922
11566549a2708
122419030b416
131090579b76b
1470599221b4
153b9ea8214c
hex21d0357092

145227083922 has 90 divisors (see below), whose sum is σ = 330459496983. Its totient is φ = 47670143976.

The previous prime is 145227083909. The next prime is 145227083971. The reversal of 145227083922 is 229380722541.

145227083922 is a `hidden beast` number, since 1 + 4 + 522 + 70 + 8 + 39 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72613541961 + 72613541961 = 269469^2 + 269469^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=269469.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 383184729 + ... + 383185107.

Almost surely, 2145227083922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145227083922

145227083922 is an abundant number, since it is smaller than the sum of its proper divisors (185232413061).

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

145227083922 is an frugal number, since it uses more digits than its factorization.

145227083922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 145227083922 in words is "one hundred forty-five billion, two hundred twenty-seven million, eighty-three thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 79 81 158 162 237 379 474 711 758 1137 1422 2133 2274 3411 4266 6241 6399 6822 10233 12482 12798 18723 20466 29941 30699 37446 56169 59882 61398 89823 112338 143641 168507 179646 269469 287282 337014 430923 505521 538938 808407 861846 1011042 1292769 1616814 2365339 2425221 2585538 3878307 4730678 4850442 7096017 7756614 11347639 11634921 14192034 21288051 22695278 23269842 34042917 42576102 63864153 68085834 102128751 127728306 191592459 204257502 306386253 383184918 612772506 896463481 919158759 1792926962 1838317518 2689390443 5378780886 8068171329 16136342658 24204513987 48409027974 72613541961 145227083922