1045403420 has 12 divisors (see below), whose sum is σ = 2195347224. Its totient is φ = 418161360.

The previous prime is 1045403419. The next prime is 1045403459. The reversal of 1045403420 is 243045401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26135066 + ... + 26135105.

It is an arithmetic number, because the mean of its divisors is an integer number (182945602).

Almost surely, 2^1045403420 is an apocalyptic number.

1045403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045403420 is an abundant number, since it is smaller than the sum of its proper divisors (1149943804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045403420 is a wasteful number, since it uses less digits than its factorization.

1045403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52270180 (or 52270178 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1045403420 is about 32332.6989284841. The cubic root of 1045403420 is about 1014.9110294344.

Adding to 1045403420 its reverse (243045401), we get a palindrome (1288448821).

The spelling of 1045403420 in words is "one billion, forty-five million, four hundred three thousand, four hundred twenty".