143049071 has 4 divisors (see below), whose sum is σ = 156053544. Its totient is φ = 130044600.

The previous prime is 143049037. The next prime is 143049113. The reversal of 143049071 is 170940341.

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

It is a cyclic number.

It is not a de Polignac number, because 143049071 - 2⁶ = 143049007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143049001) 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 3 ways as a sum of consecutive naturals, for example, 6502220 + ... + 6502241.

It is an arithmetic number, because the mean of its divisors is an integer number (39013386).

Almost surely, 2^143049071 is an apocalyptic number.

143049071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143049071 is a deficient number, since it is larger than the sum of its proper divisors (13004473).

143049071 is a wasteful number, since it uses less digits than its factorization.

143049071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004472.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 143049071 is about 11960.3123286978. The cubic root of 143049071 is about 522.9919617282.

The spelling of 143049071 in words is "one hundred forty-three million, forty-nine thousand, seventy-one".