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144099885 = 3547204397
BaseRepresentation
bin10001001011011…
…00101000101101
3101001011000212210
420211230220231
5243342144020
622144321033
73366554166
oct1045545055
9331130783
10144099885
1174382416
1240313179
1323b14507
14151d076d
15c9b63e0
hex896ca2d

144099885 has 16 divisors (see below), whose sum is σ = 235466496. Its totient is φ = 75217728.

The previous prime is 144099829. The next prime is 144099911. The reversal of 144099885 is 588990441.

It is not a de Polignac number, because 144099885 - 26 = 144099821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101494 + ... + 102903.

It is an arithmetic number, because the mean of its divisors is an integer number (14716656).

Almost surely, 2144099885 is an apocalyptic number.

144099885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144099885 is a deficient number, since it is larger than the sum of its proper divisors (91366611).

144099885 is a wasteful number, since it uses less digits than its factorization.

144099885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204452.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 144099885 is about 12004.1611535334. The cubic root of 144099885 is about 524.2694419212.

The spelling of 144099885 in words is "one hundred forty-four million, ninety-nine thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 204397 613191 1021985 3065955 9606659 28819977 48033295 144099885