159177049 has 2 divisors, whose sum is σ = 159177050. Its totient is φ = 159177048.

The previous prime is 159177023. The next prime is 159177077. The reversal of 159177049 is 940771951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121881600 + 37295449 = 11040^2 + 6107^2 .

It is a cyclic number.

It is not a de Polignac number, because 159177049 - 2⁵ = 159177017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159176996 and 159177014.

It is not a weakly prime, because it can be changed into another prime (159171049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79588524 + 79588525.

It is an arithmetic number, because the mean of its divisors is an integer number (79588525).

Almost surely, 2^159177049 is an apocalyptic number.

It is an amenable number.

159177049 is a deficient number, since it is larger than the sum of its proper divisors (1).

159177049 is an equidigital number, since it uses as much as digits as its factorization.

159177049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 159177049 is about 12616.5387091706. The cubic root of 159177049 is about 541.9511593450.

The spelling of 159177049 in words is "one hundred fifty-nine million, one hundred seventy-seven thousand, forty-nine".