1345203804 has 24 divisors (see below), whose sum is σ = 3587210368. Its totient is φ = 384343920.

The previous prime is 1345203803. The next prime is 1345203817. The reversal of 1345203804 is 4083025431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345203803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8007082 + ... + 8007249.

Almost surely, 2^1345203804 is an apocalyptic number.

1345203804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1345203804 is an abundant number, since it is smaller than the sum of its proper divisors (2242006564).

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

1345203804 is a wasteful number, since it uses less digits than its factorization.

1345203804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014345 (or 16014343 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1345203804 is about 36677.0201079641. The cubic root of 1345203804 is about 1103.8990567494.

The spelling of 1345203804 in words is "one billion, three hundred forty-five million, two hundred three thousand, eight hundred four".