190674045 has 24 divisors (see below), whose sum is σ = 334222200. Its totient is φ = 100548096.

The previous prime is 190674031. The next prime is 190674047. The reversal of 190674045 is 540476091.

190674045 is a `hidden beast` number, since 190 + 67 + 404 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5659641 + 185014404 = 2379^2 + 13602^2 .

It is not a de Polignac number, because 190674045 - 2⁵ = 190674013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190674047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19800 + ... + 27809.

It is an arithmetic number, because the mean of its divisors is an integer number (13925925).

Almost surely, 2^190674045 is an apocalyptic number.

190674045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190674045 is a deficient number, since it is larger than the sum of its proper divisors (143548155).

190674045 is a wasteful number, since it uses less digits than its factorization.

190674045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47709 (or 47706 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 190674045 is about 13808.4772875216. The cubic root of 190674045 is about 575.5687328068.

The spelling of 190674045 in words is "one hundred ninety million, six hundred seventy-four thousand, forty-five".