159704149 has 6 divisors (see below), whose sum is σ = 175542710. Its totient is φ = 145185480.

The previous prime is 159704147. The next prime is 159704159. The reversal of 159704149 is 941407951.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 15944049 = 11990^2 + 3993^2 .

It is not a de Polignac number, because 159704149 - 2¹ = 159704147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159704141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659814 + ... + 660055.

Almost surely, 2^159704149 is an apocalyptic number.

It is an amenable number.

159704149 is a deficient number, since it is larger than the sum of its proper divisors (15838561).

159704149 is a wasteful number, since it uses less digits than its factorization.

159704149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319891 (or 1319880 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 159704149 is about 12637.4106920682. The cubic root of 159704149 is about 542.5487072155.

The spelling of 159704149 in words is "one hundred fifty-nine million, seven hundred four thousand, one hundred forty-nine".