745242022445 has 4 divisors (see below), whose sum is σ = 894290426940. Its totient is φ = 596193617952.

The previous prime is 745242022429. The next prime is 745242022451. The reversal of 745242022445 is 544220242547.

745242022445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 543372431044 + 201869591401 = 737138^2 + 449299^2 .

It is a cyclic number.

It is not a de Polignac number, because 745242022445 - 2⁴ = 745242022429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74524202240 + ... + 74524202249.

It is an arithmetic number, because the mean of its divisors is an integer number (223572606735).

Almost surely, 2^745242022445 is an apocalyptic number.

It is an amenable number.

745242022445 is a deficient number, since it is larger than the sum of its proper divisors (149048404495).

745242022445 is a wasteful number, since it uses less digits than its factorization.

745242022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149048404494.

The product of its (nonzero) digits is 716800, while the sum is 41.

The spelling of 745242022445 in words is "seven hundred forty-five billion, two hundred forty-two million, twenty-two thousand, four hundred forty-five".