1345724755 has 8 divisors (see below), whose sum is σ = 1654257024. Its totient is φ = 1050321600.

The previous prime is 1345724753. The next prime is 1345724773. The reversal of 1345724755 is 5574275431.

It is a happy number.

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

It is not a de Polignac number, because 1345724755 - 2¹ = 1345724753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345724753) 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, 3282051 + ... + 3282460.

It is an arithmetic number, because the mean of its divisors is an integer number (206782128).

Almost surely, 2^1345724755 is an apocalyptic number.

1345724755 is a deficient number, since it is larger than the sum of its proper divisors (308532269).

1345724755 is an equidigital number, since it uses as much as digits as its factorization.

1345724755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564557.

The product of its digits is 588000, while the sum is 43.

The square root of 1345724755 is about 36684.1212924611. The cubic root of 1345724755 is about 1104.0415390251.

The spelling of 1345724755 in words is "one billion, three hundred forty-five million, seven hundred twenty-four thousand, seven hundred fifty-five".