191051452 has 6 divisors (see below), whose sum is σ = 334340048. Its totient is φ = 95525724.

The previous prime is 191051437. The next prime is 191051503. The reversal of 191051452 is 254150191.

It is a super-2 number, since 2×191051452² = 73001314622616608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 191051452.

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, 23881428 + ... + 23881435.

Almost surely, 2^191051452 is an apocalyptic number.

It is an amenable number.

191051452 is a deficient number, since it is larger than the sum of its proper divisors (143288596).

191051452 is a wasteful number, since it uses less digits than its factorization.

191051452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47762867 (or 47762865 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 191051452 is about 13822.1363037701. The cubic root of 191051452 is about 575.9482294970.

The spelling of 191051452 in words is "one hundred ninety-one million, fifty-one thousand, four hundred fifty-two".