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144104744 = 23711032333
BaseRepresentation
bin10001001011011…
…01110100101000
3101001011021112202
420211231310220
5243342322434
622144355332
73366604310
oct1045556450
9331137482
10144104744
1174386033
1240315b48
1323b167a4
14151d2440
15c9b7a7e
hex896dd28

144104744 has 32 divisors (see below), whose sum is σ = 309208320. Its totient is φ = 61676736.

The previous prime is 144104731. The next prime is 144104747. The reversal of 144104744 is 447401441.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (144104747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60602 + ... + 62934.

It is an arithmetic number, because the mean of its divisors is an integer number (9662760).

Almost surely, 2144104744 is an apocalyptic number.

144104744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144104744 is an abundant number, since it is smaller than the sum of its proper divisors (165103576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144104744 is a wasteful number, since it uses less digits than its factorization.

144104744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 144104744 is about 12004.3635399800. The cubic root of 144104744 is about 524.2753345852.

The spelling of 144104744 in words is "one hundred forty-four million, one hundred four thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 1103 2206 2333 4412 4666 7721 8824 9332 15442 16331 18664 30884 32662 61768 65324 130648 2573299 5146598 10293196 18013093 20586392 36026186 72052372 144104744