191451048 has 32 divisors (see below), whose sum is σ = 480068160. Its totient is φ = 63624960.

The previous prime is 191450993. The next prime is 191451067. The reversal of 191451048 is 840154191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3748 + ... + 19923.

It is an arithmetic number, because the mean of its divisors is an integer number (15002130).

Almost surely, 2^191451048 is an apocalyptic number.

It is an amenable number.

191451048 is an abundant number, since it is smaller than the sum of its proper divisors (288617112).

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

191451048 is a wasteful number, since it uses less digits than its factorization.

191451048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24017 (or 24013 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 191451048 is about 13836.5836823979. The cubic root of 191451048 is about 576.3494937239.

The spelling of 191451048 in words is "one hundred ninety-one million, four hundred fifty-one thousand, forty-eight".