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144111477 = 3310915451
BaseRepresentation
bin10001001011011…
…11011101110101
3101001011121210010
420211233131311
5243343031402
622144450433
73366633036
oct1045573565
9331147703
10144111477
11743900a4
1240319a19
1323b19883
14151d4a8d
15c9b9a6c
hex896f775

144111477 has 8 divisors (see below), whose sum is σ = 192222880. Its totient is φ = 96037200.

The previous prime is 144111449. The next prime is 144111497. The reversal of 144111477 is 774111441.

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

It is not a de Polignac number, because 144111477 - 26 = 144111413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144111427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (24027860).

Almost surely, 2144111477 is an apocalyptic number.

It is an amenable number.

144111477 is a deficient number, since it is larger than the sum of its proper divisors (48111403).

144111477 is a wasteful number, since it uses less digits than its factorization.

144111477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563.

The product of its digits is 3136, while the sum is 30.

The square root of 144111477 is about 12004.6439763951. The cubic root of 144111477 is about 524.2834996896.

The spelling of 144111477 in words is "one hundred forty-four million, one hundred eleven thousand, four hundred seventy-seven".

Divisors: 1 3 3109 9327 15451 46353 48037159 144111477