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143414141 = 1311031857
BaseRepresentation
bin10001000110001…
…01001101111101
3100222212012012212
420203011031331
5243203223031
622121510205
73361000013
oct1043051575
9328765185
10143414141
1173a54192
1240042365
1323934350
14150928b3
15c8cd12b
hex88c537d

143414141 has 4 divisors (see below), whose sum is σ = 154446012. Its totient is φ = 132382272.

The previous prime is 143414137. The next prime is 143414149. The reversal of 143414141 is 141414341.

143414141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10588516 + 132825625 = 3254^2 + 11525^2 .

It is a cyclic number.

It is not a de Polignac number, because 143414141 - 22 = 143414137 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143414149) 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, 5515916 + ... + 5515941.

It is an arithmetic number, because the mean of its divisors is an integer number (38611503).

Almost surely, 2143414141 is an apocalyptic number.

It is an amenable number.

143414141 is a deficient number, since it is larger than the sum of its proper divisors (11031871).

143414141 is a wasteful number, since it uses less digits than its factorization.

143414141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031870.

The product of its digits is 768, while the sum is 23.

The square root of 143414141 is about 11975.5643290828. The cubic root of 143414141 is about 523.4364863086.

Adding to 143414141 its reverse (141414341), we get a palindrome (284828482).

The spelling of 143414141 in words is "one hundred forty-three million, four hundred fourteen thousand, one hundred forty-one".

Divisors: 1 13 11031857 143414141