1345456405 has 16 divisors (see below), whose sum is σ = 1700582400. Its totient is φ = 1019079360.

The previous prime is 1345456397. The next prime is 1345456417. The reversal of 1345456405 is 5046545431.

It is not a de Polignac number, because 1345456405 - 2³ = 1345456397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197191 + ... + 203899.

It is an arithmetic number, because the mean of its divisors is an integer number (106286400).

Almost surely, 2^1345456405 is an apocalyptic number.

It is an amenable number.

1345456405 is a deficient number, since it is larger than the sum of its proper divisors (355125995).

1345456405 is a wasteful number, since it uses less digits than its factorization.

1345456405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 1345456405 is about 36680.4635330580. The cubic root of 1345456405 is about 1103.9681487717.

The spelling of 1345456405 in words is "one billion, three hundred forty-five million, four hundred fifty-six thousand, four hundred five".