159448905 has 80 divisors (see below), whose sum is σ = 356425344. Its totient is φ = 66251520.

The previous prime is 159448897. The next prime is 159448907. The reversal of 159448905 is 509844951.

159448905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159448905 - 2³ = 159448897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (159448907) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28629 + ... + 33741.

Almost surely, 2^159448905 is an apocalyptic number.

159448905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159448905 is an abundant number, since it is smaller than the sum of its proper divisors (196976439).

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

159448905 is a wasteful number, since it uses less digits than its factorization.

159448905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 159448905 is about 12627.3079078638. The cubic root of 159448905 is about 542.2595138451.

The spelling of 159448905 in words is "one hundred fifty-nine million, four hundred forty-eight thousand, nine hundred five".