1003426645 has 8 divisors (see below), whose sum is σ = 1296736056. Its totient is φ = 740991936.

The previous prime is 1003426607. The next prime is 1003426769. The reversal of 1003426645 is 5466243001.

It can be written as a sum of positive squares in 4 ways, for example, as 58110129 + 945316516 = 7623^2 + 30746^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1003426645 - 2⁷ = 1003426517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7718602 + ... + 7718731.

It is an arithmetic number, because the mean of its divisors is an integer number (162092007).

Almost surely, 2^1003426645 is an apocalyptic number.

It is an amenable number.

1003426645 is a deficient number, since it is larger than the sum of its proper divisors (293309411).

1003426645 is a wasteful number, since it uses less digits than its factorization.

1003426645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15437351.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1003426645 is about 31676.9102817810. The cubic root of 1003426645 is about 1001.1409128229.

Adding to 1003426645 its reverse (5466243001), we get a palindrome (6469669646).

The spelling of 1003426645 in words is "one billion, three million, four hundred twenty-six thousand, six hundred forty-five".