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144285746 = 21119932957
BaseRepresentation
bin10001001100110…
…10000000110010
3101001111110211112
420212122000302
5243414120441
622152313322
73401260103
oct1046320062
9331443745
10144285746
117449a020
12403a2842
1323b7aca7
141523c3aa
15ca014eb
hex899a032

144285746 has 16 divisors (see below), whose sum is σ = 237297600. Its totient is φ = 65252880.

The previous prime is 144285737. The next prime is 144285761. The reversal of 144285746 is 647582441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12101 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (14831100).

Almost surely, 2144285746 is an apocalyptic number.

144285746 is a deficient number, since it is larger than the sum of its proper divisors (93011854).

144285746 is a wasteful number, since it uses less digits than its factorization.

144285746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33169.

The product of its digits is 215040, while the sum is 41.

The square root of 144285746 is about 12011.9001827355. The cubic root of 144285746 is about 524.4947471653.

The spelling of 144285746 in words is "one hundred forty-four million, two hundred eighty-five thousand, seven hundred forty-six".

Divisors: 1 2 11 22 199 398 2189 4378 32957 65914 362527 725054 6558443 13116886 72142873 144285746