194032151 has 2 divisors, whose sum is σ = 194032152. Its totient is φ = 194032150.

The previous prime is 194032051. The next prime is 194032159. The reversal of 194032151 is 151230491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194032151 - 2¹⁰ = 194031127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194032151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194032159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97016075 + 97016076.

It is an arithmetic number, because the mean of its divisors is an integer number (97016076).

Almost surely, 2^194032151 is an apocalyptic number.

194032151 is a deficient number, since it is larger than the sum of its proper divisors (1).

194032151 is an equidigital number, since it uses as much as digits as its factorization.

194032151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 194032151 is about 13929.5423830074. The cubic root of 194032151 is about 578.9280149698.

The spelling of 194032151 in words is "one hundred ninety-four million, thirty-two thousand, one hundred fifty-one".