49142906 has 8 divisors (see below), whose sum is σ = 73831284. Its totient is φ = 24532480.

The previous prime is 49142897. The next prime is 49142921. The reversal of 49142906 is 60924194.

It can be written as a sum of positive squares in 2 ways, for example, as 44102881 + 5040025 = 6641^2 + 2245^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17885 + ... + 20448.

Almost surely, 2^49142906 is an apocalyptic number.

49142906 is a deficient number, since it is larger than the sum of its proper divisors (24688378).

49142906 is a wasteful number, since it uses less digits than its factorization.

49142906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38976.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 49142906 is about 7010.2001397963. The cubic root of 49142906 is about 366.2859650099.

The spelling of 49142906 in words is "forty-nine million, one hundred forty-two thousand, nine hundred six".