1345501149 has 4 divisors (see below), whose sum is σ = 1794001536. Its totient is φ = 897000764.

The previous prime is 1345501063. The next prime is 1345501151. The reversal of 1345501149 is 9411055431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9411055431 = 3 ⋅3137018477.

It is a cyclic number.

It is not a de Polignac number, because 1345501149 - 2¹¹ = 1345499101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345501849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224250189 + ... + 224250194.

It is an arithmetic number, because the mean of its divisors is an integer number (448500384).

Almost surely, 2^1345501149 is an apocalyptic number.

It is an amenable number.

1345501149 is a deficient number, since it is larger than the sum of its proper divisors (448500387).

1345501149 is an equidigital number, since it uses as much as digits as its factorization.

1345501149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448500386.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1345501149 is about 36681.0734439438. The cubic root of 1345501149 is about 1103.9803863547.

The spelling of 1345501149 in words is "one billion, three hundred forty-five million, five hundred one thousand, one hundred forty-nine".