143241105 has 16 divisors (see below), whose sum is σ = 261926784. Its totient is φ = 65481600.

The previous prime is 143241089. The next prime is 143241113. The reversal of 143241105 is 501142341.

It is not a de Polignac number, because 143241105 - 2⁴ = 143241089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681996 + ... + 682205.

It is an arithmetic number, because the mean of its divisors is an integer number (16370424).

Almost surely, 2^143241105 is an apocalyptic number.

143241105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143241105 is a deficient number, since it is larger than the sum of its proper divisors (118685679).

143241105 is a wasteful number, since it uses less digits than its factorization.

143241105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364216.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 143241105 is about 11968.3376038613. The cubic root of 143241105 is about 523.2258845583.

Adding to 143241105 its reverse (501142341), we get a palindrome (644383446).

The spelling of 143241105 in words is "one hundred forty-three million, two hundred forty-one thousand, one hundred five".