151100491 has 2 divisors, whose sum is σ = 151100492. Its totient is φ = 151100490.

The previous prime is 151100473. The next prime is 151100497. The reversal of 151100491 is 194001151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151100491 - 2⁵ = 151100459 is a prime.

It is not a weakly prime, because it can be changed into another prime (151100497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75550245 + 75550246.

It is an arithmetic number, because the mean of its divisors is an integer number (75550246).

Almost surely, 2^151100491 is an apocalyptic number.

151100491 is a deficient number, since it is larger than the sum of its proper divisors (1).

151100491 is an equidigital number, since it uses as much as digits as its factorization.

151100491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 151100491 is about 12292.2939681737. The cubic root of 151100491 is about 532.6255044460.

The spelling of 151100491 in words is "one hundred fifty-one million, one hundred thousand, four hundred ninety-one".