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144408959 = 712033929
BaseRepresentation
bin10001001101110…
…00000101111111
3101001201201211222
420212320011333
5243432041314
622155103555
73402312242
oct1046700577
9331651758
10144408959
1174573652
1240441bbb
1323bc20b6
1415271259
15ca27c8e
hex89b817f

144408959 has 4 divisors (see below), whose sum is σ = 146442960. Its totient is φ = 142374960.

The previous prime is 144408947. The next prime is 144408983. The reversal of 144408959 is 959804441.

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

It is a cyclic number.

It is not a de Polignac number, because 144408959 - 28 = 144408703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144408989) 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, 1016894 + ... + 1017035.

It is an arithmetic number, because the mean of its divisors is an integer number (36610740).

Almost surely, 2144408959 is an apocalyptic number.

144408959 is a deficient number, since it is larger than the sum of its proper divisors (2034001).

144408959 is an equidigital number, since it uses as much as digits as its factorization.

144408959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034000.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 144408959 is about 12017.0278771417. The cubic root of 144408959 is about 524.6440023444.

The spelling of 144408959 in words is "one hundred forty-four million, four hundred eight thousand, nine hundred fifty-nine".

Divisors: 1 71 2033929 144408959