9019142 has 8 divisors (see below), whose sum is σ = 14758632. Its totient is φ = 4099600.

The previous prime is 9019141. The next prime is 9019147. The reversal of 9019142 is 2419109.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9019141) 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, 204959 + ... + 205002.

It is an arithmetic number, because the mean of its divisors is an integer number (1844829).

Almost surely, 2^9019142 is an apocalyptic number.

9019142 is a deficient number, since it is larger than the sum of its proper divisors (5739490).

9019142 is a wasteful number, since it uses less digits than its factorization.

9019142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409974.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9019142 is about 3003.1886387638. The cubic root of 9019142 is about 208.1557481167.

The spelling of 9019142 in words is "nine million, nineteen thousand, one hundred forty-two".