49020159 has 4 divisors (see below), whose sum is σ = 65360216. Its totient is φ = 32680104.

The previous prime is 49020151. The next prime is 49020161. The reversal of 49020159 is 95102094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49020159 - 2³ = 49020151 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 (49020151) 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, 8170024 + ... + 8170029.

It is an arithmetic number, because the mean of its divisors is an integer number (16340054).

Almost surely, 2^49020159 is an apocalyptic number.

49020159 is a deficient number, since it is larger than the sum of its proper divisors (16340057).

49020159 is a wasteful number, since it uses less digits than its factorization.

49020159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16340056.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 49020159 is about 7001.4397805023. The cubic root of 49020159 is about 365.9807463968.

The spelling of 49020159 in words is "forty-nine million, twenty thousand, one hundred fifty-nine".