19153042 has 4 divisors (see below), whose sum is σ = 28729566. Its totient is φ = 9576520.

The previous prime is 19153039. The next prime is 19153049. The reversal of 19153042 is 24035191.

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

It can be written as a sum of positive squares in only one way, i.e., 18931201 + 221841 = 4351^2 + 471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19152998 and 19153016.

It is not an unprimeable number, because it can be changed into a prime (19153049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4788259 + ... + 4788262.

Almost surely, 2^19153042 is an apocalyptic number.

19153042 is a deficient number, since it is larger than the sum of its proper divisors (9576524).

19153042 is an equidigital number, since it uses as much as digits as its factorization.

19153042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576523.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 19153042 is about 4376.4188556398. The cubic root of 19153042 is about 267.5547015974.

The spelling of 19153042 in words is "nineteen million, one hundred fifty-three thousand, forty-two".