19020148 has 48 divisors (see below), whose sum is σ = 39513600. Its totient is φ = 7842816.

The previous prime is 19020137. The next prime is 19020167. The reversal of 19020148 is 84102091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 127578 + ... + 127726.

It is an arithmetic number, because the mean of its divisors is an integer number (823200).

Almost surely, 2^19020148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19020148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19756800).

19020148 is an abundant number, since it is smaller than the sum of its proper divisors (20493452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19020148 is a wasteful number, since it uses less digits than its factorization.

19020148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 19020148 is about 4361.2094652745. The cubic root of 19020148 is about 266.9344525280.

The spelling of 19020148 in words is "nineteen million, twenty thousand, one hundred forty-eight".