745153771413171 has 4 divisors (see below), whose sum is σ = 993538361884232. Its totient is φ = 496769180942112.

The previous prime is 745153771413169. The next prime is 745153771413209. The reversal of 745153771413171 is 171314177351547.

It is a happy number.

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

It is not a de Polignac number, because 745153771413171 - 2¹ = 745153771413169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745153771413071) 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, 124192295235526 + ... + 124192295235531.

It is an arithmetic number, because the mean of its divisors is an integer number (248384590471058).

Almost surely, 2^{745153771413171} is an apocalyptic number.

745153771413171 is a deficient number, since it is larger than the sum of its proper divisors (248384590471061).

745153771413171 is a wasteful number, since it uses less digits than its factorization.

745153771413171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248384590471060.

The product of its digits is 8643600, while the sum is 57.

The spelling of 745153771413171 in words is "seven hundred forty-five trillion, one hundred fifty-three billion, seven hundred seventy-one million, four hundred thirteen thousand, one hundred seventy-one".