1345525404 has 24 divisors (see below), whose sum is σ = 3140999568. Its totient is φ = 448302720.

The previous prime is 1345525403. The next prime is 1345525459. The reversal of 1345525404 is 4045255431.

It is a super-2 number, since 2×1345525404² = 3620877225618726432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345525403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794 + ... + 51950.

It is an arithmetic number, because the mean of its divisors is an integer number (130874982).

Almost surely, 2^1345525404 is an apocalyptic number.

It is an amenable number.

1345525404 is an abundant number, since it is smaller than the sum of its proper divisors (1795474164).

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

1345525404 is a wasteful number, since it uses less digits than its factorization.

1345525404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51445 (or 51443 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 1345525404 is about 36681.4040625492. The cubic root of 1345525404 is about 1103.9870200375.

The spelling of 1345525404 in words is "one billion, three hundred forty-five million, five hundred twenty-five thousand, four hundred four".