1345405224 has 16 divisors (see below), whose sum is σ = 3363513120. Its totient is φ = 448468400.

The previous prime is 1345405223. The next prime is 1345405231. The reversal of 1345405224 is 4225045431.

It is a junction number, because it is equal to n+sod(n) for n = 1345405191 and 1345405200.

It is not an unprimeable number, because it can be changed into a prime (1345405223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28029252 + ... + 28029299.

It is an arithmetic number, because the mean of its divisors is an integer number (210219570).

Almost surely, 2^1345405224 is an apocalyptic number.

It is an amenable number.

1345405224 is an abundant number, since it is smaller than the sum of its proper divisors (2018107896).

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

1345405224 is a wasteful number, since it uses less digits than its factorization.

1345405224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56058560 (or 56058556 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1345405224 is about 36679.7658662102. The cubic root of 1345405224 is about 1103.9541503223.

The spelling of 1345405224 in words is "one billion, three hundred forty-five million, four hundred five thousand, two hundred twenty-four".