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143040126 = 2323840021
BaseRepresentation
bin10001000011010…
…01111001111110
3100222011012011110
420201221321332
5243104241001
622105502450
73354551415
oct1041517176
9328135143
10143040126
1173819189
123baa1a26
1323833038
1414dd647c
15c8573d6
hex8869e7e

143040126 has 8 divisors (see below), whose sum is σ = 286080264. Its totient is φ = 47680040.

The previous prime is 143040119. The next prime is 143040127. The reversal of 143040126 is 621040341.

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

143040126 is an admirable number.

It is a super-3 number, since 3×1430401263 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143040127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11920005 + ... + 11920016.

It is an arithmetic number, because the mean of its divisors is an integer number (35760033).

Almost surely, 2143040126 is an apocalyptic number.

143040126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143040126 is a wasteful number, since it uses less digits than its factorization.

143040126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23840026.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 143040126 is about 11959.9383777677. The cubic root of 143040126 is about 522.9810604326.

Adding to 143040126 its reverse (621040341), we get a palindrome (764080467).

The spelling of 143040126 in words is "one hundred forty-three million, forty thousand, one hundred twenty-six".

Divisors: 1 2 3 6 23840021 47680042 71520063 143040126