Search a number
-
+
144514404 = 22324014289
BaseRepresentation
bin10001001110100…
…01110101100100
3101001221002111100
420213101311210
5243443430104
622201240100
73403231536
oct1047216544
9331832440
10144514404
11746358a1
1240493030
1323c2b0a8
141529b856
15ca49139
hex89d1d64

144514404 has 18 divisors (see below), whose sum is σ = 365300390. Its totient is φ = 48171456.

The previous prime is 144514379. The next prime is 144514421. The reversal of 144514404 is 404415441.

144514404 is a `hidden beast` number, since 144 + 514 + 4 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 142850304 + 1664100 = 11952^2 + 1290^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2007109 + ... + 2007180.

Almost surely, 2144514404 is an apocalyptic number.

It is an amenable number.

144514404 is an abundant number, since it is smaller than the sum of its proper divisors (220785986).

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

144514404 is a wasteful number, since it uses less digits than its factorization.

144514404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014299 (or 4014294 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 144514404 is about 12021.4143926578. The cubic root of 144514404 is about 524.7716666939.

Adding to 144514404 its reverse (404415441), we get a palindrome (548929845).

The spelling of 144514404 in words is "one hundred forty-four million, five hundred fourteen thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 4014289 8028578 12042867 16057156 24085734 36128601 48171468 72257202 144514404