1355545433 has 4 divisors (see below), whose sum is σ = 1478776848. Its totient is φ = 1232314020.

The previous prime is 1355545391. The next prime is 1355545469. The reversal of 1355545433 is 3345455531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1355545433 - 2⁶ = 1355545369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355545333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61615691 + ... + 61615712.

It is an arithmetic number, because the mean of its divisors is an integer number (369694212).

Almost surely, 2^1355545433 is an apocalyptic number.

It is an amenable number.

1355545433 is a deficient number, since it is larger than the sum of its proper divisors (123231415).

1355545433 is a wasteful number, since it uses less digits than its factorization.

1355545433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123231414.

The product of its digits is 270000, while the sum is 38.

The square root of 1355545433 is about 36817.7325890664. The cubic root of 1355545433 is about 1106.7206822214.

The spelling of 1355545433 in words is "one billion, three hundred fifty-five million, five hundred forty-five thousand, four hundred thirty-three".