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144144035 = 57412007
BaseRepresentation
bin10001001011101…
…11011010100011
3101001020021102222
420211313122203
5243400102120
622145301255
73400130000
oct1045673243
9331207388
10144144035
1174402602
124033482b
1323b2b639
14152028a7
15c9c4525
hex89776a3

144144035 has 20 divisors (see below), whose sum is σ = 201806448. Its totient is φ = 98833392.

The previous prime is 144144031. The next prime is 144144053. The reversal of 144144035 is 530441441.

It is a happy number.

It is a Cunningham number, because it is equal to 120062-1.

It is not a de Polignac number, because 144144035 - 22 = 144144031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144143995 and 144144013.

It is not an unprimeable number, because it can be changed into a prime (144144031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6002 + ... + 18008.

Almost surely, 2144144035 is an apocalyptic number.

144144035 is a deficient number, since it is larger than the sum of its proper divisors (57662413).

144144035 is an frugal number, since it uses more digits than its factorization.

144144035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12040 (or 12019 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 144144035 is about 12005.9999583542. Note that the first 4 decimals coincide. The cubic root of 144144035 is about 524.3229791658.

Adding to 144144035 its reverse (530441441), we get a palindrome (674585476).

The spelling of 144144035 in words is "one hundred forty-four million, one hundred forty-four thousand, thirty-five".

Divisors: 1 5 7 35 49 245 343 1715 2401 12005 12007 60035 84049 420245 588343 2941715 4118401 20592005 28828807 144144035