143242011 has 12 divisors (see below), whose sum is σ = 225714840. Its totient is φ = 86813280.

The previous prime is 143241971. The next prime is 143242013. The reversal of 143242011 is 110242341.

It is not a de Polignac number, because 143242011 - 2⁷ = 143241883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143242013) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 723346 + ... + 723543.

It is an arithmetic number, because the mean of its divisors is an integer number (18809570).

Almost surely, 2^143242011 is an apocalyptic number.

143242011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143242011 is a deficient number, since it is larger than the sum of its proper divisors (82472829).

143242011 is a wasteful number, since it uses less digits than its factorization.

143242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446906 (or 1446903 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143242011 is about 11968.3754536696. The cubic root of 143242011 is about 523.2269876906.

Adding to 143242011 its reverse (110242341), we get a palindrome (253484352).

The spelling of 143242011 in words is "one hundred forty-three million, two hundred forty-two thousand, eleven".