80145425 has 12 divisors (see below), whose sum is σ = 99493260. Its totient is φ = 64043520.

The previous prime is 80145389. The next prime is 80145427. The reversal of 80145425 is 52454108.

It can be written as a sum of positive squares in 6 ways, for example, as 21836929 + 58308496 = 4673^2 + 7636^2 .

It is not a de Polignac number, because 80145425 - 2¹⁰ = 80144401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80145427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36149 + ... + 38301.

It is an arithmetic number, because the mean of its divisors is an integer number (8291105).

Almost surely, 2^80145425 is an apocalyptic number.

It is an amenable number.

80145425 is a deficient number, since it is larger than the sum of its proper divisors (19347835).

80145425 is a wasteful number, since it uses less digits than its factorization.

80145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 80145425 is about 8952.3977235152. The cubic root of 80145425 is about 431.1478705154.

The spelling of 80145425 in words is "eighty million, one hundred forty-five thousand, four hundred twenty-five".