49449142 has 4 divisors (see below), whose sum is σ = 74173716. Its totient is φ = 24724570.

The previous prime is 49449133. The next prime is 49449143. The reversal of 49449142 is 24194494.

49449142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49449143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12362284 + ... + 12362287.

It is an arithmetic number, because the mean of its divisors is an integer number (18543429).

Almost surely, 2^49449142 is an apocalyptic number.

49449142 is a deficient number, since it is larger than the sum of its proper divisors (24724574).

49449142 is a wasteful number, since it uses less digits than its factorization.

49449142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24724573.

The product of its digits is 41472, while the sum is 37.

The square root of 49449142 is about 7032.0083902111. The cubic root of 49449142 is about 367.0452319723.

The spelling of 49449142 in words is "forty-nine million, four hundred forty-nine thousand, one hundred forty-two".