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144239483 = 592444737
BaseRepresentation
bin10001001100011…
…10101101111011
3101001102010101002
420212032231323
5243411130413
622151315215
73401005163
oct1046165573
9331363332
10144239483
1174468293
124037bb0b
1323b62c0b
14152295a3
15c9e2958
hex898eb7b

144239483 has 4 divisors (see below), whose sum is σ = 146684280. Its totient is φ = 141794688.

The previous prime is 144239467. The next prime is 144239519. The reversal of 144239483 is 384932441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384932441 = 1537725033.

It is a cyclic number.

It is not a de Polignac number, because 144239483 - 24 = 144239467 is a prime.

It is a super-2 number, since 2×1442394832 = 41610056912214578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144239423) 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, 1222310 + ... + 1222427.

It is an arithmetic number, because the mean of its divisors is an integer number (36671070).

Almost surely, 2144239483 is an apocalyptic number.

144239483 is a deficient number, since it is larger than the sum of its proper divisors (2444797).

144239483 is an equidigital number, since it uses as much as digits as its factorization.

144239483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444796.

The product of its digits is 82944, while the sum is 38.

The square root of 144239483 is about 12009.9743130450. The cubic root of 144239483 is about 524.4386841214.

The spelling of 144239483 in words is "one hundred forty-four million, two hundred thirty-nine thousand, four hundred eighty-three".

Divisors: 1 59 2444737 144239483