19148242 has 8 divisors (see below), whose sum is σ = 28759500. Its totient is φ = 9561744.

The previous prime is 19148237. The next prime is 19148243. The reversal of 19148242 is 24284191.

It can be written as a sum of positive squares in 2 ways, for example, as 17048641 + 2099601 = 4129^2 + 1449^2 .

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

It is not an unprimeable number, because it can be changed into a prime (19148243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117 + ... + 7432.

Almost surely, 2^19148242 is an apocalyptic number.

19148242 is a deficient number, since it is larger than the sum of its proper divisors (9611258).

19148242 is a wasteful number, since it uses less digits than its factorization.

19148242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12380.

The product of its digits is 4608, while the sum is 31.

The square root of 19148242 is about 4375.8704276978. The cubic root of 19148242 is about 267.5323488407.

The spelling of 19148242 in words is "nineteen million, one hundred forty-eight thousand, two hundred forty-two".