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144550994 = 2741251831
BaseRepresentation
bin10001001110110…
…10110001010010
3101001222221200112
420213122301102
5244001112434
622202121322
73403443320
oct1047326122
9331887615
10144550994
1174660335
12404b0242
1323c41943
14152aad10
15ca54dce
hex89dac52

144550994 has 16 divisors (see below), whose sum is σ = 253846656. Its totient is φ = 60439200.

The previous prime is 144550957. The next prime is 144551059. The reversal of 144550994 is 499055441.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 7 ways as a sum of consecutive naturals, for example, 125342 + ... + 126489.

It is an arithmetic number, because the mean of its divisors is an integer number (15865416).

Almost surely, 2144550994 is an apocalyptic number.

144550994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144550994 is a deficient number, since it is larger than the sum of its proper divisors (109295662).

144550994 is a wasteful number, since it uses less digits than its factorization.

144550994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251881.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 144550994 is about 12022.9361638495. The cubic root of 144550994 is about 524.8159524178.

The spelling of 144550994 in words is "one hundred forty-four million, five hundred fifty thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 41 82 287 574 251831 503662 1762817 3525634 10325071 20650142 72275497 144550994