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144043322 = 272021661
BaseRepresentation
bin10001001010111…
…10110100111010
3101001001011021212
420211132310322
5243333341242
622143203122
73366230243
oct1045366472
9331034255
10144043322
1174343975
12402a64a2
1323ac4847
14151b7cca
15c9a4782
hex895ed3a

144043322 has 4 divisors (see below), whose sum is σ = 216064986. Its totient is φ = 72021660.

The previous prime is 144043303. The next prime is 144043349. The reversal of 144043322 is 223340441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223340441 = 1713137673.

It can be written as a sum of positive squares in only one way, i.e., 144024001 + 19321 = 12001^2 + 139^2 .

It is a super-2 number, since 2×1440433222 = 41496957225591368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36010829 + ... + 36010832.

Almost surely, 2144043322 is an apocalyptic number.

144043322 is a deficient number, since it is larger than the sum of its proper divisors (72021664).

144043322 is an equidigital number, since it uses as much as digits as its factorization.

144043322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72021663.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 144043322 is about 12001.8049475902. The cubic root of 144043322 is about 524.2008364228.

Adding to 144043322 its reverse (223340441), we get a palindrome (367383763).

The spelling of 144043322 in words is "one hundred forty-four million, forty-three thousand, three hundred twenty-two".

Divisors: 1 2 72021661 144043322