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144316641 = 3763110891
BaseRepresentation
bin10001001101000…
…01100011100001
3101001120001012210
420212201203201
5243421113031
622153112333
73401446140
oct1046414341
9331501183
10144316641
1174510257
12403b86a9
1323b8c081
1415249757
15ca0a746
hex89a18e1

144316641 has 16 divisors (see below), whose sum is σ = 220279808. Its totient is φ = 82328400.

The previous prime is 144316633. The next prime is 144316657. The reversal of 144316641 is 146613441.

It is not a de Polignac number, because 144316641 - 23 = 144316633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144316599 and 144316608.

It is not an unprimeable number, because it can be changed into a prime (144316661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7806 + ... + 18696.

It is an arithmetic number, because the mean of its divisors is an integer number (13767488).

Almost surely, 2144316641 is an apocalyptic number.

It is an amenable number.

144316641 is a deficient number, since it is larger than the sum of its proper divisors (75963167).

144316641 is a wasteful number, since it uses less digits than its factorization.

144316641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532.

The product of its digits is 6912, while the sum is 30.

The square root of 144316641 is about 12013.1861302487. The cubic root of 144316641 is about 524.5321800816.

The spelling of 144316641 in words is "one hundred forty-four million, three hundred sixteen thousand, six hundred forty-one".

Divisors: 1 3 7 21 631 1893 4417 10891 13251 32673 76237 228711 6872221 20616663 48105547 144316641