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144629091 = 3313034111
BaseRepresentation
bin10001001111011…
…01110101100011
3101002010220211000
420213231311203
5244011112331
622203523043
73404220105
oct1047556543
9332126730
10144629091
1174703a82
1240529483
1323c6b359
14152cb575
15ca6d0e6
hex89edd63

144629091 has 16 divisors (see below), whose sum is σ = 214481920. Its totient is φ = 96321960.

The previous prime is 144629027. The next prime is 144629101. The reversal of 144629091 is 190926441.

It is a happy number.

It is not a de Polignac number, because 144629091 - 26 = 144629027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144629791) 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, 33126 + ... + 37236.

It is an arithmetic number, because the mean of its divisors is an integer number (13405120).

Almost surely, 2144629091 is an apocalyptic number.

144629091 is a deficient number, since it is larger than the sum of its proper divisors (69852829).

144629091 is a wasteful number, since it uses less digits than its factorization.

144629091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 144629091 is about 12026.1835592178. The cubic root of 144629091 is about 524.9104500323.

The spelling of 144629091 in words is "one hundred forty-four million, six hundred twenty-nine thousand, ninety-one".

Divisors: 1 3 9 27 1303 3909 4111 11727 12333 35181 36999 110997 5356633 16069899 48209697 144629091