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144130553 = 7157313419
BaseRepresentation
bin10001001011101…
…00000111111001
3101001012120221122
420211310013321
5243344134203
622145115025
73400042460
oct1045640771
9331176848
10144130553
11743a3466
1240328a75
1323b25468
14151db9d7
15c9c0538
hex89741f9

144130553 has 16 divisors (see below), whose sum is σ = 166696320. Its totient is φ = 122069376.

The previous prime is 144130541. The next prime is 144130589. The reversal of 144130553 is 355031441.

144130553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144130553 - 28 = 144130297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144930553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343778 + ... + 344196.

It is an arithmetic number, because the mean of its divisors is an integer number (10418520).

Almost surely, 2144130553 is an apocalyptic number.

It is an amenable number.

144130553 is a deficient number, since it is larger than the sum of its proper divisors (22565767).

144130553 is a wasteful number, since it uses less digits than its factorization.

144130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 144130553 is about 12005.4384759575. The cubic root of 144130553 is about 524.3066317607.

Adding to 144130553 its reverse (355031441), we get a palindrome (499161994).

The spelling of 144130553 in words is "one hundred forty-four million, one hundred thirty thousand, five hundred fifty-three".

Divisors: 1 7 157 313 419 1099 2191 2933 49141 65783 131147 343987 460481 918029 20590079 144130553