Search a number
144321411 = 3133700549
BaseRepresentation
bin10001001101000…
…10101110000011
3101001120021202110
420212202232003
5243421241121
622153150403
73401466063
oct1046425603
9331507673
10144321411
11745138a3
12403bb403
1323b912b0
141524b3a3
15ca0bd76
hex89a2b83

144321411 has 8 divisors (see below), whose sum is σ = 207230800. Its totient is φ = 88813152.

The previous prime is 144321409. The next prime is 144321427. The reversal of 144321411 is 114123441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144321411 - 21 = 144321409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144321451) 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, 1850236 + ... + 1850313.

It is an arithmetic number, because the mean of its divisors is an integer number (25903850).

Almost surely, 2144321411 is an apocalyptic number.

144321411 is a deficient number, since it is larger than the sum of its proper divisors (62909389).

144321411 is a wasteful number, since it uses less digits than its factorization.

144321411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700565.

The product of its digits is 384, while the sum is 21.

The square root of 144321411 is about 12013.3846604527. The cubic root of 144321411 is about 524.5379590200.

Adding to 144321411 its reverse (114123441), we get a palindrome (258444852).

The spelling of 144321411 in words is "one hundred forty-four million, three hundred twenty-one thousand, four hundred eleven".