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144240102 = 234890371
BaseRepresentation
bin10001001100011…
…10110111100110
3101001102011020000
420212032313212
5243411140402
622151322130
73401010036
oct1046166746
9331364200
10144240102
11744687a6
1240380346
1323b63296
14152298c6
15c9e2c1c
hex898ede6

144240102 has 20 divisors (see below), whose sum is σ = 323205036. Its totient is φ = 48079980.

The previous prime is 144240059. The next prime is 144240119. The reversal of 144240102 is 201042441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 445024 + ... + 445347.

Almost surely, 2144240102 is an apocalyptic number.

144240102 is an abundant number, since it is smaller than the sum of its proper divisors (178964934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144240102 is an equidigital number, since it uses as much as digits as its factorization.

144240102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890385 (or 890376 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 144240102 is about 12010.0000832639. Note that the first 4 decimals coincide. The cubic root of 144240102 is about 524.4394343254.

Adding to 144240102 its reverse (201042441), we get a palindrome (345282543).

The spelling of 144240102 in words is "one hundred forty-four million, two hundred forty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 890371 1780742 2671113 5342226 8013339 16026678 24040017 48080034 72120051 144240102