745528159181 has 16 divisors (see below), whose sum is σ = 821593449600. Its totient is φ = 672138492480.

The previous prime is 745528159171. The next prime is 745528159213. The reversal of 745528159181 is 181951825547.

It is a happy number.

It is not a de Polignac number, because 745528159181 - 2³⁴ = 728348289997 is a prime.

It is a super-2 number, since 2×745528159181² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745528159111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17754671 + ... + 17796611.

It is an arithmetic number, because the mean of its divisors is an integer number (51349590600).

Almost surely, 2^745528159181 is an apocalyptic number.

It is an amenable number.

745528159181 is a deficient number, since it is larger than the sum of its proper divisors (76065290419).

745528159181 is a wasteful number, since it uses less digits than its factorization.

745528159181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73796.

The product of its digits is 4032000, while the sum is 56.

The spelling of 745528159181 in words is "seven hundred forty-five billion, five hundred twenty-eight million, one hundred fifty-nine thousand, one hundred eighty-one".