745446545555603 has 4 divisors (see below), whose sum is σ = 745452893842920. Its totient is φ = 745440197268288.

The previous prime is 745446545555557. The next prime is 745446545555689. The reversal of 745446545555603 is 306555545644547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745446545555603 - 2⁶ = 745446545555539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745446545555903) 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, 3173967518 + ... + 3174202371.

It is an arithmetic number, because the mean of its divisors is an integer number (186363223460730).

Almost surely, 2^{745446545555603} is an apocalyptic number.

745446545555603 is a deficient number, since it is larger than the sum of its proper divisors (6348287317).

745446545555603 is a wasteful number, since it uses less digits than its factorization.

745446545555603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348287316.

The product of its (nonzero) digits is 3024000000, while the sum is 68.

The spelling of 745446545555603 in words is "seven hundred forty-five trillion, four hundred forty-six billion, five hundred forty-five million, five hundred fifty-five thousand, six hundred three".