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144253234 = 272126617
BaseRepresentation
bin10001001100100…
…10000100110010
3101001102211020101
420212102010302
5243412100414
622151503014
73401063236
oct1046220462
9331384211
10144253234
1174477654
1240387a6a
1323b69258
14152305c6
15c9e6a74
hex8992132

144253234 has 4 divisors (see below), whose sum is σ = 216379854. Its totient is φ = 72126616.

The previous prime is 144253231. The next prime is 144253237. The reversal of 144253234 is 432352441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432352441 = 716089471.

It is an interprime number because it is at equal distance from previous prime (144253231) and next prime (144253237).

It can be written as a sum of positive squares in only one way, i.e., 139830625 + 4422609 = 11825^2 + 2103^2 .

It is not an unprimeable number, because it can be changed into a prime (144253231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36063307 + ... + 36063310.

Almost surely, 2144253234 is an apocalyptic number.

144253234 is a deficient number, since it is larger than the sum of its proper divisors (72126620).

144253234 is an equidigital number, since it uses as much as digits as its factorization.

144253234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72126619.

The product of its digits is 11520, while the sum is 28.

The square root of 144253234 is about 12010.5467818913. The cubic root of 144253234 is about 524.4553492930.

The spelling of 144253234 in words is "one hundred forty-four million, two hundred fifty-three thousand, two hundred thirty-four".

Divisors: 1 2 72126617 144253234