49199142 has 8 divisors (see below), whose sum is σ = 98398296. Its totient is φ = 16399712.

The previous prime is 49199141. The next prime is 49199179. The reversal of 49199142 is 24199194.

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

49199142 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 49199142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49199141) 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, 4099923 + ... + 4099934.

It is an arithmetic number, because the mean of its divisors is an integer number (12299787).

Almost surely, 2^49199142 is an apocalyptic number.

49199142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49199142 is a wasteful number, since it uses less digits than its factorization.

49199142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199862.

The product of its digits is 23328, while the sum is 39.

The square root of 49199142 is about 7014.2100054104. The cubic root of 49199142 is about 366.4256298297.

The spelling of 49199142 in words is "forty-nine million, one hundred ninety-nine thousand, one hundred forty-two".