Search a number
-
+
144254725 = 5210753927
BaseRepresentation
bin10001001100100…
…10011100000101
3101001102220021121
420212102130011
5243412122400
622151513541
73401100466
oct1046223405
9331386247
10144254725
117447878a
12403888b1
1323b69b34
1415230d6d
15c9e721a
hex8992705

144254725 has 12 divisors (see below), whose sum is σ = 180550944. Its totient is φ = 114323120.

The previous prime is 144254717. The next prime is 144254731. The reversal of 144254725 is 527452441.

It is not a de Polignac number, because 144254725 - 23 = 144254717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24289 + ... + 29638.

It is an arithmetic number, because the mean of its divisors is an integer number (15045912).

Almost surely, 2144254725 is an apocalyptic number.

It is an amenable number.

144254725 is a deficient number, since it is larger than the sum of its proper divisors (36296219).

144254725 is a wasteful number, since it uses less digits than its factorization.

144254725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54044 (or 54039 counting only the distinct ones).

The product of its digits is 44800, while the sum is 34.

The square root of 144254725 is about 12010.6088521773. The cubic root of 144254725 is about 524.4571562085.

The spelling of 144254725 in words is "one hundred forty-four million, two hundred fifty-four thousand, seven hundred twenty-five".

Divisors: 1 5 25 107 535 2675 53927 269635 1348175 5770189 28850945 144254725