203144426 has 8 divisors (see below), whose sum is σ = 314546304. Its totient is φ = 98295660.

The previous prime is 203144401. The next prime is 203144429. The reversal of 203144426 is 624441302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 203144395 and 203144404.

It is not an unprimeable number, because it can be changed into a prime (203144429) 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, 1638200 + ... + 1638323.

It is an arithmetic number, because the mean of its divisors is an integer number (39318288).

Almost surely, 2^203144426 is an apocalyptic number.

203144426 is a deficient number, since it is larger than the sum of its proper divisors (111401878).

203144426 is a wasteful number, since it uses less digits than its factorization.

203144426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276556.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 203144426 is about 14252.8743066092. The cubic root of 203144426 is about 587.8524106262.

Adding to 203144426 its reverse (624441302), we get a palindrome (827585728).

The spelling of 203144426 in words is "two hundred three million, one hundred forty-four thousand, four hundred twenty-six".