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144443342 = 272221671
BaseRepresentation
bin10001001110000…
…00011111001110
3101001210111000102
420213000133032
5243434141332
622155531102
73402514421
oct1047003716
9331714012
10144443342
117459746a
1240459a92
1323c04944
141527d9b8
15ca33062
hex89c07ce

144443342 has 4 divisors (see below), whose sum is σ = 216665016. Its totient is φ = 72221670.

The previous prime is 144443333. The next prime is 144443359. The reversal of 144443342 is 243344441.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110834 + ... + 36110837.

It is an arithmetic number, because the mean of its divisors is an integer number (54166254).

Almost surely, 2144443342 is an apocalyptic number.

144443342 is a deficient number, since it is larger than the sum of its proper divisors (72221674).

144443342 is an equidigital number, since it uses as much as digits as its factorization.

144443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72221673.

The product of its digits is 18432, while the sum is 29.

The square root of 144443342 is about 12018.4583869979. The cubic root of 144443342 is about 524.6856373496.

Adding to 144443342 its reverse (243344441), we get a palindrome (387787783).

The spelling of 144443342 in words is "one hundred forty-four million, four hundred forty-three thousand, three hundred forty-two".

Divisors: 1 2 72221671 144443342