190144742 has 8 divisors (see below), whose sum is σ = 300228600. Its totient is φ = 90068544.

The previous prime is 190144733. The next prime is 190144769. The reversal of 190144742 is 247441091.

190144742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 190144699 and 190144708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501867 + ... + 2501942.

It is an arithmetic number, because the mean of its divisors is an integer number (37528575).

Almost surely, 2^190144742 is an apocalyptic number.

190144742 is a deficient number, since it is larger than the sum of its proper divisors (110083858).

190144742 is a wasteful number, since it uses less digits than its factorization.

190144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003830.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 190144742 is about 13789.2980967125. The cubic root of 190144742 is about 575.0356544999.

The spelling of 190144742 in words is "one hundred ninety million, one hundred forty-four thousand, seven hundred forty-two".