1345188461 has 8 divisors (see below), whose sum is σ = 1473432120. Its totient is φ = 1222402048.

The previous prime is 1345188451. The next prime is 1345188469. The reversal of 1345188461 is 1648815431.

It can be written as a sum of positive squares in 4 ways, for example, as 87067561 + 1258120900 = 9331^2 + 35470^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345188461 - 2²⁶ = 1278079597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345188469) 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, 1363796 + ... + 1364781.

It is an arithmetic number, because the mean of its divisors is an integer number (184179015).

Almost surely, 2^1345188461 is an apocalyptic number.

It is an amenable number.

1345188461 is a deficient number, since it is larger than the sum of its proper divisors (128243659).

1345188461 is a wasteful number, since it uses less digits than its factorization.

1345188461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728623.

The product of its digits is 92160, while the sum is 41.

The square root of 1345188461 is about 36676.8109437012. The cubic root of 1345188461 is about 1103.8948598172.

The spelling of 1345188461 in words is "one billion, three hundred forty-five million, one hundred eighty-eight thousand, four hundred sixty-one".