1555325345 has 8 divisors (see below), whose sum is σ = 2133017664. Its totient is φ = 1066508784.

The previous prime is 1555325327. The next prime is 1555325383. The reversal of 1555325345 is 5435235551.

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 1555325345 - 2⁶ = 1555325281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1555325299 and 1555325308.

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, 22218899 + ... + 22218968.

It is an arithmetic number, because the mean of its divisors is an integer number (266627208).

Almost surely, 2^1555325345 is an apocalyptic number.

It is an amenable number.

1555325345 is a deficient number, since it is larger than the sum of its proper divisors (577692319).

1555325345 is an equidigital number, since it uses as much as digits as its factorization.

1555325345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44437879.

The product of its digits is 225000, while the sum is 38.

The square root of 1555325345 is about 39437.6133278879. The cubic root of 1555325345 is about 1158.6183870452.

The spelling of 1555325345 in words is "one billion, five hundred fifty-five million, three hundred twenty-five thousand, three hundred forty-five".