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145181016 = 23322016403
BaseRepresentation
bin10001010011101…
…00100101011000
3101010011221220200
420221310211120
5244131243031
622223422200
73412006161
oct1051644530
9333157820
10145181016
1174a50712
1240754960
1324102636
14153d2768
15cb2b8e6
hex8a74958

145181016 has 24 divisors (see below), whose sum is σ = 393198780. Its totient is φ = 48393648.

The previous prime is 145181009. The next prime is 145181039. The reversal of 145181016 is 610181541.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008130 + ... + 1008273.

Almost surely, 2145181016 is an apocalyptic number.

It is an amenable number.

145181016 is an abundant number, since it is smaller than the sum of its proper divisors (248017764).

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

145181016 is a wasteful number, since it uses less digits than its factorization.

145181016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016415 (or 2016408 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 145181016 is about 12049.1085147408. The cubic root of 145181016 is about 525.5773132275.

The spelling of 145181016 in words is "one hundred forty-five million, one hundred eighty-one thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2016403 4032806 6049209 8065612 12098418 16131224 18147627 24196836 36295254 48393672 72590508 145181016