1345241555 has 8 divisors (see below), whose sum is σ = 1844902752. Its totient is φ = 922451328.

The previous prime is 1345241543. The next prime is 1345241593. The reversal of 1345241555 is 5551425431.

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 1345241555 - 2²² = 1341047251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 38435473 = 1345241555 / (1 + 3 + 4 + 5 + 2 + 4 + 1 + 5 + 5 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19217702 + ... + 19217771.

It is an arithmetic number, because the mean of its divisors is an integer number (230612844).

Almost surely, 2^1345241555 is an apocalyptic number.

1345241555 is a deficient number, since it is larger than the sum of its proper divisors (499661197).

1345241555 is an equidigital number, since it uses as much as digits as its factorization.

1345241555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38435485.

The product of its digits is 60000, while the sum is 35.

The square root of 1345241555 is about 36677.5347453997. The cubic root of 1345241555 is about 1103.9093830418.

Adding to 1345241555 its reverse (5551425431), we get a palindrome (6896666986).

The spelling of 1345241555 in words is "one billion, three hundred forty-five million, two hundred forty-one thousand, five hundred fifty-five".