149803159 has 4 divisors (see below), whose sum is σ = 163421640. Its totient is φ = 136184680.

The previous prime is 149803151. The next prime is 149803177. The reversal of 149803159 is 951308941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951308941 = 11 ⋅86482631.

It is a cyclic number.

It is not a de Polignac number, because 149803159 - 2³ = 149803151 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149803151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809224 + ... + 6809245.

It is an arithmetic number, because the mean of its divisors is an integer number (40855410).

Almost surely, 2^149803159 is an apocalyptic number.

149803159 is a deficient number, since it is larger than the sum of its proper divisors (13618481).

149803159 is a wasteful number, since it uses less digits than its factorization.

149803159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13618480.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 149803159 is about 12239.4100756532. The cubic root of 149803159 is about 531.0967664354.

It can be divided in two parts, 149 and 803159, that added together give a palindrome (803308).

The spelling of 149803159 in words is "one hundred forty-nine million, eight hundred three thousand, one hundred fifty-nine".