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144144074 = 272072037
BaseRepresentation
bin10001001011101…
…11011011001010
3101001020021111102
420211313123022
5243400102244
622145301402
73400130054
oct1045673312
9331207442
10144144074
1174402638
1240334862
1323b2b669
14152028d4
15c9c454e
hex89776ca

144144074 has 4 divisors (see below), whose sum is σ = 216216114. Its totient is φ = 72072036.

The previous prime is 144144073. The next prime is 144144083. The reversal of 144144074 is 470441441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138886225 + 5257849 = 11785^2 + 2293^2 .

It is not an unprimeable number, because it can be changed into a prime (144144073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36036017 + ... + 36036020.

Almost surely, 2144144074 is an apocalyptic number.

144144074 is a deficient number, since it is larger than the sum of its proper divisors (72072040).

144144074 is an equidigital number, since it uses as much as digits as its factorization.

144144074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72072039.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 144144074 is about 12006.0015825420. The cubic root of 144144074 is about 524.3230264532.

The spelling of 144144074 in words is "one hundred forty-four million, one hundred forty-four thousand, seventy-four".

Divisors: 1 2 72072037 144144074