19430142 has 8 divisors (see below), whose sum is σ = 38860296. Its totient is φ = 6476712.

The previous prime is 19430123. The next prime is 19430153. The reversal of 19430142 is 24103491.

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

19430142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619173 + ... + 1619184.

It is an arithmetic number, because the mean of its divisors is an integer number (4857537).

Almost surely, 2^19430142 is an apocalyptic number.

19430142 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.

19430142 is a wasteful number, since it uses less digits than its factorization.

19430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238362.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 19430142 is about 4407.9634753478. The cubic root of 19430142 is about 268.8388268124.

The spelling of 19430142 in words is "nineteen million, four hundred thirty thousand, one hundred forty-two".