159251461 has 8 divisors (see below), whose sum is σ = 168730560. Its totient is φ = 149784768.

The previous prime is 159251381. The next prime is 159251473. The reversal of 159251461 is 164152951.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159251461 - 2¹¹ = 159249413 is a prime.

It is a super-2 number, since 2×159251461² = 50722055661269042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159251861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43230 + ... + 46768.

It is an arithmetic number, because the mean of its divisors is an integer number (21091320).

Almost surely, 2^159251461 is an apocalyptic number.

It is an amenable number.

159251461 is a deficient number, since it is larger than the sum of its proper divisors (9479099).

159251461 is a wasteful number, since it uses less digits than its factorization.

159251461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203.

The product of its digits is 10800, while the sum is 34.

The square root of 159251461 is about 12619.4873509188. The cubic root of 159251461 is about 542.0355965329.

The spelling of 159251461 in words is "one hundred fifty-nine million, two hundred fifty-one thousand, four hundred sixty-one".