1471446157 has 2 divisors, whose sum is σ = 1471446158. Its totient is φ = 1471446156.

The previous prime is 1471446143. The next prime is 1471446247. The reversal of 1471446157 is 7516441741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463751081 + 7695076 = 38259^2 + 2774^2 .

It is an emirp because it is prime and its reverse (7516441741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1471446157 - 2²³ = 1463057549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1471446857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735723078 + 735723079.

It is an arithmetic number, because the mean of its divisors is an integer number (735723079).

Almost surely, 2^1471446157 is an apocalyptic number.

It is an amenable number.

1471446157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471446157 is an equidigital number, since it uses as much as digits as its factorization.

1471446157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 1471446157 is about 38359.4337419102. The cubic root of 1471446157 is about 1137.4041059442.

Adding to 1471446157 its reverse (7516441741), we get a palindrome (8987887898).

The spelling of 1471446157 in words is "one billion, four hundred seventy-one million, four hundred forty-six thousand, one hundred fifty-seven".