1345554555 has 8 divisors (see below), whose sum is σ = 2152887312. Its totient is φ = 717629088.

The previous prime is 1345554547. The next prime is 1345554593. The reversal of 1345554555 is 5554555431.

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 1345554555 - 2³ = 1345554547 is a prime.

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, 44851804 + ... + 44851833.

It is an arithmetic number, because the mean of its divisors is an integer number (269110914).

Almost surely, 2^1345554555 is an apocalyptic number.

1345554555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1345554555 is a deficient number, since it is larger than the sum of its proper divisors (807332757).

1345554555 is an equidigital number, since it uses as much as digits as its factorization.

1345554555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89703645.

The product of its digits is 750000, while the sum is 42.

The square root of 1345554555 is about 36681.8014143253. The cubic root of 1345554555 is about 1103.9949926587.

The spelling of 1345554555 in words is "one billion, three hundred forty-five million, five hundred fifty-four thousand, five hundred fifty-five".