159803445 has 32 divisors (see below), whose sum is σ = 263450880. Its totient is φ = 82664960.

The previous prime is 159803411. The next prime is 159803459. The reversal of 159803445 is 544308951.

It is not a de Polignac number, because 159803445 - 2⁶ = 159803381 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 31 ways as a sum of consecutive naturals, for example, 120496 + ... + 121814.

It is an arithmetic number, because the mean of its divisors is an integer number (8232840).

Almost surely, 2^159803445 is an apocalyptic number.

159803445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159803445 is a deficient number, since it is larger than the sum of its proper divisors (103647435).

159803445 is a wasteful number, since it uses less digits than its factorization.

159803445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 159803445 is about 12641.3387344854. The cubic root of 159803445 is about 542.6611270774.

The spelling of 159803445 in words is "one hundred fifty-nine million, eight hundred three thousand, four hundred forty-five".