143378073 has 16 divisors (see below), whose sum is σ = 213373440. Its totient is φ = 95152752.

The previous prime is 143378063. The next prime is 143378089. The reversal of 143378073 is 370873341.

It is not a de Polignac number, because 143378073 - 2⁵ = 143378041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143378003) 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 15 ways as a sum of consecutive naturals, for example, 5886 + ... + 17927.

It is an arithmetic number, because the mean of its divisors is an integer number (13335840).

Almost surely, 2^143378073 is an apocalyptic number.

It is an amenable number.

143378073 is a deficient number, since it is larger than the sum of its proper divisors (69995367).

143378073 is a wasteful number, since it uses less digits than its factorization.

143378073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24045 (or 24039 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 143378073 is about 11974.0583345831. The cubic root of 143378073 is about 523.3926020027.

The spelling of 143378073 in words is "one hundred forty-three million, three hundred seventy-eight thousand, seventy-three".