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143140115 = 5139205957
BaseRepresentation
bin10001000100000…
…10010100010011
3100222100021022202
420202002110103
5243120440430
622111553415
73355446056
oct1042022423
9328307282
10143140115
1173887318
123bb2b86b
13238696c1
1415020a9d
15c876d45
hex8882513

143140115 has 8 divisors (see below), whose sum is σ = 173004720. Its totient is φ = 113687712.

The previous prime is 143140097. The next prime is 143140133. The reversal of 143140115 is 511041341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143140097) and next prime (143140133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143140115 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102284 + ... + 103673.

It is an arithmetic number, because the mean of its divisors is an integer number (21625590).

Almost surely, 2143140115 is an apocalyptic number.

143140115 is a deficient number, since it is larger than the sum of its proper divisors (29864605).

143140115 is a wasteful number, since it uses less digits than its factorization.

143140115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206101.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 143140115 is about 11964.1178111886. The cubic root of 143140115 is about 523.1028914526.

Adding to 143140115 its reverse (511041341), we get a palindrome (654181456).

The spelling of 143140115 in words is "one hundred forty-three million, one hundred forty thousand, one hundred fifteen".

Divisors: 1 5 139 695 205957 1029785 28628023 143140115