151791071 has 2 divisors, whose sum is σ = 151791072. Its totient is φ = 151791070.

The previous prime is 151791067. The next prime is 151791077. The reversal of 151791071 is 170197151.

It is a happy number.

151791071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151791071 - 2² = 151791067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151791077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75895535 + 75895536.

It is an arithmetic number, because the mean of its divisors is an integer number (75895536).

Almost surely, 2^151791071 is an apocalyptic number.

151791071 is a deficient number, since it is larger than the sum of its proper divisors (1).

151791071 is an equidigital number, since it uses as much as digits as its factorization.

151791071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 32.

The square root of 151791071 is about 12320.3519024417. The cubic root of 151791071 is about 533.4356972355.

The spelling of 151791071 in words is "one hundred fifty-one million, seven hundred ninety-one thousand, seventy-one".