159558145 has 12 divisors (see below), whose sum is σ = 198261180. Its totient is φ = 123127424.

The previous prime is 159558137. The next prime is 159558149. The reversal of 159558145 is 541855951.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 26132544 + 133425601 = 5112^2 + 11551^2 .

It is not a de Polignac number, because 159558145 - 2³ = 159558137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159558149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151581 + ... + 152629.

It is an arithmetic number, because the mean of its divisors is an integer number (16521765).

Almost surely, 2^159558145 is an apocalyptic number.

It is an amenable number.

159558145 is a deficient number, since it is larger than the sum of its proper divisors (38703035).

159558145 is an frugal number, since it uses more digits than its factorization.

159558145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 1083 counting only the distinct ones).

The product of its digits is 180000, while the sum is 43.

The square root of 159558145 is about 12631.6327131531. The cubic root of 159558145 is about 542.3833213361.

The spelling of 159558145 in words is "one hundred fifty-nine million, five hundred fifty-eight thousand, one hundred forty-five".