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144169553 = 11107122489
BaseRepresentation
bin10001001011111…
…01101001010001
3101001021120110002
420211331221101
5243401411203
622150015345
73400264253
oct1045755121
9331246402
10144169553
117441a7a0
1240347555
1323b3a138
141520bcd3
15c9cbd88
hex897da51

144169553 has 8 divisors (see below), whose sum is σ = 158747040. Its totient is φ = 129837280.

The previous prime is 144169541. The next prime is 144169559. The reversal of 144169553 is 355961441.

144169553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144169553 - 210 = 144168529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144169559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60068 + ... + 62421.

It is an arithmetic number, because the mean of its divisors is an integer number (19843380).

Almost surely, 2144169553 is an apocalyptic number.

It is an amenable number.

144169553 is a deficient number, since it is larger than the sum of its proper divisors (14577487).

144169553 is a wasteful number, since it uses less digits than its factorization.

144169553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122607.

The product of its digits is 64800, while the sum is 38.

The square root of 144169553 is about 12007.0626299691. The cubic root of 144169553 is about 524.3539178592.

The spelling of 144169553 in words is "one hundred forty-four million, one hundred sixty-nine thousand, five hundred fifty-three".

Divisors: 1 11 107 1177 122489 1347379 13106323 144169553