Search a number
-
+
144356941 = 413520901
BaseRepresentation
bin10001001101010…
…11011001001101
3101001122002111101
420212223121031
5243423410231
622154023101
73402004501
oct1046533115
9331562441
10144356941
1174538563
1240417a91
1323ba4511
141525a301
15ca17661
hex89ab64d

144356941 has 4 divisors (see below), whose sum is σ = 147877884. Its totient is φ = 140836000.

The previous prime is 144356939. The next prime is 144356951. The reversal of 144356941 is 149653441.

144356941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80820100 + 63536841 = 8990^2 + 7971^2 .

It is a cyclic number.

It is not a de Polignac number, because 144356941 - 21 = 144356939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144356941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144356951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760410 + ... + 1760491.

It is an arithmetic number, because the mean of its divisors is an integer number (36969471).

Almost surely, 2144356941 is an apocalyptic number.

It is an amenable number.

144356941 is a deficient number, since it is larger than the sum of its proper divisors (3520943).

144356941 is an equidigital number, since it uses as much as digits as its factorization.

144356941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520942.

The product of its digits is 51840, while the sum is 37.

The square root of 144356941 is about 12014.8633367176. The cubic root of 144356941 is about 524.5810002301.

The spelling of 144356941 in words is "one hundred forty-four million, three hundred fifty-six thousand, nine hundred forty-one".

Divisors: 1 41 3520901 144356941