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144032442 = 2343155697
BaseRepresentation
bin10001001010111…
…00001010111010
3101001000121100220
420211130022322
5243333014232
622143040510
73366153441
oct1045341272
9331017326
10144032442
1174336784
12402a0136
1323abc8c8
14151b3d58
15c9a142c
hex895c2ba

144032442 has 16 divisors (see below), whose sum is σ = 288738432. Its totient is φ = 47898560.

The previous prime is 144032423. The next prime is 144032461. The reversal of 144032442 is 244230441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144032423) and next prime (144032461).

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, 25263 + ... + 30434.

It is an arithmetic number, because the mean of its divisors is an integer number (18046152).

Almost surely, 2144032442 is an apocalyptic number.

144032442 is an abundant number, since it is smaller than the sum of its proper divisors (144705990).

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

144032442 is a wasteful number, since it uses less digits than its factorization.

144032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56133.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144032442 is about 12001.3516738741. The cubic root of 144032442 is about 524.1876379659.

Adding to 144032442 its reverse (244230441), we get a palindrome (388262883).

The spelling of 144032442 in words is "one hundred forty-four million, thirty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 431 862 1293 2586 55697 111394 167091 334182 24005407 48010814 72016221 144032442