159121245 has 32 divisors (see below), whose sum is σ = 270054144. Its totient is φ = 79833600.

The previous prime is 159121243. The next prime is 159121271. The reversal of 159121245 is 542121951.

It is not a de Polignac number, because 159121245 - 2¹ = 159121243 is a prime.

It is a super-2 number, since 2×159121245² = 50639141220700050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159121243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17265 + ... + 24825.

It is an arithmetic number, because the mean of its divisors is an integer number (8439192).

Almost surely, 2^159121245 is an apocalyptic number.

159121245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159121245 is a deficient number, since it is larger than the sum of its proper divisors (110932899).

159121245 is a wasteful number, since it uses less digits than its factorization.

159121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653.

The product of its digits is 3600, while the sum is 30.

The square root of 159121245 is about 12614.3269737232. The cubic root of 159121245 is about 541.8878198590.

The spelling of 159121245 in words is "one hundred fifty-nine million, one hundred twenty-one thousand, two hundred forty-five".