157275071 has 2 divisors, whose sum is σ = 157275072. Its totient is φ = 157275070.

The previous prime is 157275047. The next prime is 157275101. The reversal of 157275071 is 170572751.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157275071 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157275031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78637535 + 78637536.

It is an arithmetic number, because the mean of its divisors is an integer number (78637536).

Almost surely, 2^157275071 is an apocalyptic number.

157275071 is a deficient number, since it is larger than the sum of its proper divisors (1).

157275071 is an equidigital number, since it uses as much as digits as its factorization.

157275071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 157275071 is about 12540.9358103772. The cubic root of 157275071 is about 539.7839453465.

The spelling of 157275071 in words is "one hundred fifty-seven million, two hundred seventy-five thousand, seventy-one".