190542144 has 112 divisors (see below), whose sum is σ = 549217088. Its totient is φ = 57950208.

The previous prime is 190542109. The next prime is 190542161. The reversal of 190542144 is 441245091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241719 + ... + 242505.

It is an arithmetic number, because the mean of its divisors is an integer number (4903724).

Almost surely, 2^190542144 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 190542144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274608544).

190542144 is an abundant number, since it is smaller than the sum of its proper divisors (358674944).

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

190542144 is a wasteful number, since it uses less digits than its factorization.

190542144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 190542144 is about 13803.7003734506. The cubic root of 190542144 is about 575.4359833916.

The spelling of 190542144 in words is "one hundred ninety million, five hundred forty-two thousand, one hundred forty-four".