143426803 has 4 divisors (see below), whose sum is σ = 154459648. Its totient is φ = 132393960.

The previous prime is 143426783. The next prime is 143426809. The reversal of 143426803 is 308624341.

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 143426803 - 2⁵ = 143426771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143426809) 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, 5516403 + ... + 5516428.

It is an arithmetic number, because the mean of its divisors is an integer number (38614912).

Almost surely, 2^143426803 is an apocalyptic number.

143426803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143426803 is a deficient number, since it is larger than the sum of its proper divisors (11032845).

143426803 is a wasteful number, since it uses less digits than its factorization.

143426803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032844.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 143426803 is about 11976.0929772610. The cubic root of 143426803 is about 523.4518905490.

The spelling of 143426803 in words is "one hundred forty-three million, four hundred twenty-six thousand, eight hundred three".