Search a number
-
+
144440344 = 2318055043
BaseRepresentation
bin10001001101111…
…11110000011000
3101001210022220101
420212333300120
5243434042334
622155505144
73402502606
oct1046776030
9331708811
10144440344
1174595194
12404581b4
1323c03479
141527c876
15ca32214
hex89bfc18

144440344 has 8 divisors (see below), whose sum is σ = 270825660. Its totient is φ = 72220168.

The previous prime is 144440339. The next prime is 144440363. The reversal of 144440344 is 443044441.

144440344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9027514 + ... + 9027529.

Almost surely, 2144440344 is an apocalyptic number.

It is an amenable number.

144440344 is a deficient number, since it is larger than the sum of its proper divisors (126385316).

144440344 is a wasteful number, since it uses less digits than its factorization.

144440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055049 (or 18055045 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 144440344 is about 12018.3336615356. Note that the first 3 decimals coincide. The cubic root of 144440344 is about 524.6820072794.

Adding to 144440344 its reverse (443044441), we get a palindrome (587484785).

The spelling of 144440344 in words is "one hundred forty-four million, four hundred forty thousand, three hundred forty-four".

Divisors: 1 2 4 8 18055043 36110086 72220172 144440344