Search a number
-
+
144013449 = 3291655327
BaseRepresentation
bin10001001010101…
…11100010001001
3101000222122022110
420211113202021
5243331412244
622142412533
73366044166
oct1045274211
9330878273
10144013449
1174323488
1240291149
1323ab4078
14151ab06d
15c99a9b9
hex8957889

144013449 has 8 divisors (see below), whose sum is σ = 198639360. Its totient is φ = 92698256.

The previous prime is 144013439. The next prime is 144013469. The reversal of 144013449 is 944310441.

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 144013449 - 24 = 144013433 is a prime.

It is a super-4 number, since 4×1440134494 (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (144013439) 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, 827577 + ... + 827750.

It is an arithmetic number, because the mean of its divisors is an integer number (24829920).

Almost surely, 2144013449 is an apocalyptic number.

It is an amenable number.

144013449 is a deficient number, since it is larger than the sum of its proper divisors (54625911).

144013449 is a wasteful number, since it uses less digits than its factorization.

144013449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655359.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 144013449 is about 12000.5603619164. The cubic root of 144013449 is about 524.1645960889.

The spelling of 144013449 in words is "one hundred forty-four million, thirteen thousand, four hundred forty-nine".

Divisors: 1 3 29 87 1655327 4965981 48004483 144013449