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144071347 = 7142714423
BaseRepresentation
bin10001001011001…
…01101010110011
3101001002120201211
420211211222303
5243340240342
622143540551
73366405040
oct1045455263
9331076654
10144071347
1174362a32
12402ba757
1323b04524
14151c41c7
15c9acc17
hex8965ab3

144071347 has 8 divisors (see below), whose sum is σ = 164779776. Its totient is φ = 123394632.

The previous prime is 144071341. The next prime is 144071359. The reversal of 144071347 is 743170441.

144071347 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 144071347 - 23 = 144071339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144071341) 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, 2778 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (20597472).

Almost surely, 2144071347 is an apocalyptic number.

144071347 is a deficient number, since it is larger than the sum of its proper divisors (20708429).

144071347 is a wasteful number, since it uses less digits than its factorization.

144071347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 144071347 is about 12002.9724235291. The cubic root of 144071347 is about 524.2348303065.

The spelling of 144071347 in words is "one hundred forty-four million, seventy-one thousand, three hundred forty-seven".

Divisors: 1 7 1427 9989 14423 100961 20581621 144071347