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144007441 = 1937792593
BaseRepresentation
bin10001001010101…
…10000100010001
3101000222100001221
420211112010101
5243331214231
622142325041
73366020524
oct1045260421
9330870057
10144007441
1174319a16
1240289781
1323ab1406
14151a8bbb
15c998d11
hex8956111

144007441 has 16 divisors (see below), whose sum is σ = 157715200. Its totient is φ = 131010048.

The previous prime is 144007433. The next prime is 144007447. The reversal of 144007441 is 144700441.

It is a cyclic number.

It is not a de Polignac number, because 144007441 - 23 = 144007433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144007447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54241 + ... + 56833.

It is an arithmetic number, because the mean of its divisors is an integer number (9857200).

Almost surely, 2144007441 is an apocalyptic number.

It is an amenable number.

144007441 is a deficient number, since it is larger than the sum of its proper divisors (13707759).

144007441 is a wasteful number, since it uses less digits than its factorization.

144007441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 144007441 is about 12000.3100376615. The cubic root of 144007441 is about 524.1573068977.

Adding to 144007441 its reverse (144700441), we get a palindrome (288707882).

The spelling of 144007441 in words is "one hundred forty-four million, seven thousand, four hundred forty-one".

Divisors: 1 19 37 79 703 1501 2593 2923 49267 55537 95941 204847 1822879 3892093 7579339 144007441