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143035157 = 433326399
BaseRepresentation
bin10001000011010…
…00101100010101
3100222010221100102
420201220230111
5243104111112
622105423445
73354531056
oct1041505425
9328127312
10143035157
1173815481
123ba9ab85
13238309b5
1414dd472d
15c855bc2
hex8868b15

143035157 has 4 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 139708716.

The previous prime is 143035153. The next prime is 143035169. The reversal of 143035157 is 751530341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751530341 = 2861262681.

It is a cyclic number.

It is not a de Polignac number, because 143035157 - 22 = 143035153 is a prime.

It is a super-2 number, since 2×1430351572 = 40918112276029298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143035153) 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 3 ways as a sum of consecutive naturals, for example, 1663157 + ... + 1663242.

It is an arithmetic number, because the mean of its divisors is an integer number (36590400).

Almost surely, 2143035157 is an apocalyptic number.

It is an amenable number.

143035157 is a deficient number, since it is larger than the sum of its proper divisors (3326443).

143035157 is an equidigital number, since it uses as much as digits as its factorization.

143035157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326442.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 143035157 is about 11959.7306407795. The cubic root of 143035157 is about 522.9750045026.

Adding to 143035157 its reverse (751530341), we get a palindrome (894565498).

The spelling of 143035157 in words is "one hundred forty-three million, thirty-five thousand, one hundred fifty-seven".

Divisors: 1 43 3326399 143035157