49486142 has 4 divisors (see below), whose sum is σ = 74229216. Its totient is φ = 24743070.

The previous prime is 49486141. The next prime is 49486147. The reversal of 49486142 is 24168494.

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

It is a junction number, because it is equal to n+sod(n) for n = 49486096 and 49486105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49486141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12371534 + ... + 12371537.

It is an arithmetic number, because the mean of its divisors is an integer number (18557304).

Almost surely, 2^49486142 is an apocalyptic number.

49486142 is a deficient number, since it is larger than the sum of its proper divisors (24743074).

49486142 is a wasteful number, since it uses less digits than its factorization.

49486142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24743073.

The product of its digits is 55296, while the sum is 38.

The square root of 49486142 is about 7034.6387256205. The cubic root of 49486142 is about 367.1367555540.

The spelling of 49486142 in words is "forty-nine million, four hundred eighty-six thousand, one hundred forty-two".