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143553042 = 2327975169
BaseRepresentation
bin10001000111001…
…11001000010010
3101000010020202100
420203213020102
5243222144132
622124501230
73362115663
oct1043471022
9330106670
10143553042
1174039586
12400aa816
1323982639
14150cb36a
15c90937c
hex88e7212

143553042 has 12 divisors (see below), whose sum is σ = 311031630. Its totient is φ = 47851008.

The previous prime is 143553041. The next prime is 143553043. The reversal of 143553042 is 240355341.

143553042 is a `hidden beast` number, since 1 + 4 + 355 + 304 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (143553041) and next prime (143553043).

It can be written as a sum of positive squares in only one way, i.e., 116834481 + 26718561 = 10809^2 + 5169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143552997 and 143553015.

It is not an unprimeable number, because it can be changed into a prime (143553041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3987567 + ... + 3987602.

Almost surely, 2143553042 is an apocalyptic number.

143553042 is an abundant number, since it is smaller than the sum of its proper divisors (167478588).

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

143553042 is a wasteful number, since it uses less digits than its factorization.

143553042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975177 (or 7975174 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 143553042 is about 11981.3622764692. The cubic root of 143553042 is about 523.6054198853.

The spelling of 143553042 in words is "one hundred forty-three million, five hundred fifty-three thousand, forty-two".

Divisors: 1 2 3 6 9 18 7975169 15950338 23925507 47851014 71776521 143553042