159170445 has 48 divisors (see below), whose sum is σ = 318494592. Its totient is φ = 72028800.

The previous prime is 159170443. The next prime is 159170447. The reversal of 159170445 is 544071951.

It is an interprime number because it is at equal distance from previous prime (159170443) and next prime (159170447).

It is not a de Polignac number, because 159170445 - 2¹ = 159170443 is a prime.

It is a super-2 number, since 2×159170445² = 50670461122996050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159170443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29314 + ... + 34316.

It is an arithmetic number, because the mean of its divisors is an integer number (6635304).

Almost surely, 2^159170445 is an apocalyptic number.

159170445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159170445 is an abundant number, since it is smaller than the sum of its proper divisors (159324147).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159170445 is a wasteful number, since it uses less digits than its factorization.

159170445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 159170445 is about 12616.2769864965. The cubic root of 159170445 is about 541.9436643470.

The spelling of 159170445 in words is "one hundred fifty-nine million, one hundred seventy thousand, four hundred forty-five".