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145705802 = 211291371667
BaseRepresentation
bin10001010111101…
…00101101001010
3101011011121210012
420223310231022
5244300041202
622242551522
73416323154
oct1053645512
9334147705
10145705802
1175279a20
12409685a2
1324257468
14154cbad4
15cbd2152
hex8af4b4a

145705802 has 32 divisors (see below), whose sum is σ = 248598720. Its totient is φ = 63441280.

The previous prime is 145705787. The next prime is 145705811. The reversal of 145705802 is 208507541.

145705802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 86573 + ... + 88239.

It is an arithmetic number, because the mean of its divisors is an integer number (7768710).

Almost surely, 2145705802 is an apocalyptic number.

145705802 is a deficient number, since it is larger than the sum of its proper divisors (102892918).

145705802 is a wasteful number, since it uses less digits than its factorization.

145705802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 145705802 is about 12070.8658347278. The cubic root of 145705802 is about 526.2098200545.

The spelling of 145705802 in words is "one hundred forty-five million, seven hundred five thousand, eight hundred two".

Divisors: 1 2 11 22 29 58 137 274 319 638 1507 1667 3014 3334 3973 7946 18337 36674 43703 48343 87406 96686 228379 456758 531773 1063546 2512169 5024338 6622991 13245982 72852901 145705802