1345220024 has 16 divisors (see below), whose sum is σ = 2529055320. Its totient is φ = 670805280.

The previous prime is 1345220017. The next prime is 1345220027. The reversal of 1345220024 is 4200225431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345220027) 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, 222422 + ... + 228389.

Almost surely, 2^1345220024 is an apocalyptic number.

It is an amenable number.

1345220024 is a deficient number, since it is larger than the sum of its proper divisors (1183835296).

1345220024 is a wasteful number, since it uses less digits than its factorization.

1345220024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451190 (or 451186 counting only the distinct ones).

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

The square root of 1345220024 is about 36677.2412266790. The cubic root of 1345220024 is about 1103.9034935420.

Adding to 1345220024 its reverse (4200225431), we get a palindrome (5545445455).

The spelling of 1345220024 in words is "one billion, three hundred forty-five million, two hundred twenty thousand, twenty-four".