1045354403 has 4 divisors (see below), whose sum is σ = 1051397088. Its totient is φ = 1039311720.

The previous prime is 1045354319. The next prime is 1045354421. The reversal of 1045354403 is 3044535401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3044535401 = 41 ⋅74256961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045354403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045354423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3021083 + ... + 3021428.

It is an arithmetic number, because the mean of its divisors is an integer number (262849272).

Almost surely, 2^1045354403 is an apocalyptic number.

1045354403 is a deficient number, since it is larger than the sum of its proper divisors (6042685).

1045354403 is an equidigital number, since it uses as much as digits as its factorization.

1045354403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042684.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1045354403 is about 32331.9409098804. The cubic root of 1045354403 is about 1014.8951667634.

Adding to 1045354403 its reverse (3044535401), we get a palindrome (4089889804).

The spelling of 1045354403 in words is "one billion, forty-five million, three hundred fifty-four thousand, four hundred three".