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145488284 = 22361310067
BaseRepresentation
bin10001010101111…
…11100110011100
3101010202120101222
420222333212130
5244221111114
622234152512
73414426044
oct1052774634
9333676358
10145488284
1175140557
1240882738
13241ac456
1415472724
15cb8c98e
hex8abf99c

145488284 has 12 divisors (see below), whose sum is σ = 254700264. Its totient is φ = 72716784.

The previous prime is 145488283. The next prime is 145488311. The reversal of 145488284 is 482884541.

145488284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145488281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9419 + ... + 19485.

It is an arithmetic number, because the mean of its divisors is an integer number (21225022).

Almost surely, 2145488284 is an apocalyptic number.

It is an amenable number.

145488284 is a deficient number, since it is larger than the sum of its proper divisors (109211980).

145488284 is a wasteful number, since it uses less digits than its factorization.

145488284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684 (or 13682 counting only the distinct ones).

The product of its digits is 327680, while the sum is 44.

The square root of 145488284 is about 12061.8524282135. The cubic root of 145488284 is about 525.9478375507.

The spelling of 145488284 in words is "one hundred forty-five million, four hundred eighty-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 3613 7226 10067 14452 20134 40268 36372071 72744142 145488284