1457147171 has 2 divisors, whose sum is σ = 1457147172. Its totient is φ = 1457147170.

The previous prime is 1457147141. The next prime is 1457147177. The reversal of 1457147171 is 1717417541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1457147171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1457147177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728573585 + 728573586.

It is an arithmetic number, because the mean of its divisors is an integer number (728573586).

Almost surely, 2^1457147171 is an apocalyptic number.

1457147171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457147171 is an equidigital number, since it uses as much as digits as its factorization.

1457147171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27440, while the sum is 38.

The square root of 1457147171 is about 38172.5971214954. The cubic root of 1457147171 is about 1133.7078118232.

The spelling of 1457147171 in words is "one billion, four hundred fifty-seven million, one hundred forty-seven thousand, one hundred seventy-one".