49143494 has 8 divisors (see below), whose sum is σ = 76093248. Its totient is φ = 23779080.

The previous prime is 49143473. The next prime is 49143503. The reversal of 49143494 is 49434194.

It is a happy number.

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

It is a congruent number.

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, 396257 + ... + 396380.

It is an arithmetic number, because the mean of its divisors is an integer number (9511656).

Almost surely, 2^49143494 is an apocalyptic number.

49143494 is a deficient number, since it is larger than the sum of its proper divisors (26949754).

49143494 is a wasteful number, since it uses less digits than its factorization.

49143494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792670.

The product of its digits is 62208, while the sum is 38.

The square root of 49143494 is about 7010.2420785591. The cubic root of 49143494 is about 366.2874258873.

The spelling of 49143494 in words is "forty-nine million, one hundred forty-three thousand, four hundred ninety-four".