191457052 has 6 divisors (see below), whose sum is σ = 335049848. Its totient is φ = 95728524.

The previous prime is 191457017. The next prime is 191457061. The reversal of 191457052 is 250754191.

It is a junction number, because it is equal to n+sod(n) for n = 191456999 and 191457017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23932128 + ... + 23932135.

Almost surely, 2^191457052 is an apocalyptic number.

It is an amenable number.

191457052 is a deficient number, since it is larger than the sum of its proper divisors (143592796).

191457052 is a wasteful number, since it uses less digits than its factorization.

191457052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47864267 (or 47864265 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 191457052 is about 13836.8006417669. The cubic root of 191457052 is about 576.3555185298.

The spelling of 191457052 in words is "one hundred ninety-one million, four hundred fifty-seven thousand, fifty-two".