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144131122 = 272065561
BaseRepresentation
bin10001001011101…
…00010000110010
3101001012121201201
420211310100302
5243344143442
622145121414
73400044232
oct1045642062
9331177651
10144131122
11743a3933
124032926a
1323b257b5
14151dbcc2
15c9c07b7
hex8974432

144131122 has 4 divisors (see below), whose sum is σ = 216196686. Its totient is φ = 72065560.

The previous prime is 144131111. The next prime is 144131149. The reversal of 144131122 is 221131441.

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., 143304841 + 826281 = 11971^2 + 909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144131122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36032779 + ... + 36032782.

Almost surely, 2144131122 is an apocalyptic number.

144131122 is a deficient number, since it is larger than the sum of its proper divisors (72065564).

144131122 is an equidigital number, since it uses as much as digits as its factorization.

144131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72065563.

The product of its digits is 192, while the sum is 19.

The square root of 144131122 is about 12005.4621735275. The cubic root of 144131122 is about 524.3073217140.

Adding to 144131122 its reverse (221131441), we get a palindrome (365262563).

The spelling of 144131122 in words is "one hundred forty-four million, one hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 72065561 144131122