191375048 has 36 divisors (see below), whose sum is σ = 369322065. Its totient is φ = 92968128.

The previous prime is 191375047. The next prime is 191375053. The reversal of 191375048 is 840573191.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

191375048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 190495204 + 879844 = 13802^2 + 938^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9782.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (191375047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2621540 + ... + 2621612.

Almost surely, 2^191375048 is an apocalyptic number.

It is an amenable number.

191375048 is a deficient number, since it is larger than the sum of its proper divisors (177947017).

191375048 is an frugal number, since it uses more digits than its factorization.

191375048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 191375048 is about 13833.8370671336. The cubic root of 191375048 is about 576.2732194677.

The spelling of 191375048 in words is "one hundred ninety-one million, three hundred seventy-five thousand, forty-eight".