80148469 has 2 divisors, whose sum is σ = 80148470. Its totient is φ = 80148468.

The previous prime is 80148451. The next prime is 80148473. The reversal of 80148469 is 96484108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53831569 + 26316900 = 7337^2 + 5130^2 .

It is a cyclic number.

It is not a de Polignac number, because 80148469 - 2⁵ = 80148437 is a prime.

It is a super-2 number, since 2×80148469² = 12847554166087922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80148499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40074234 + 40074235.

It is an arithmetic number, because the mean of its divisors is an integer number (40074235).

Almost surely, 2^80148469 is an apocalyptic number.

It is an amenable number.

80148469 is a deficient number, since it is larger than the sum of its proper divisors (1).

80148469 is an equidigital number, since it uses as much as digits as its factorization.

80148469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 80148469 is about 8952.5677322207. The cubic root of 80148469 is about 431.1533289160.

The spelling of 80148469 in words is "eighty million, one hundred forty-eight thousand, four hundred sixty-nine".