80142597 has 6 divisors (see below), whose sum is σ = 115761542. Its totient is φ = 53428392.

The previous prime is 80142553. The next prime is 80142617. The reversal of 80142597 is 79524108.

It can be written as a sum of positive squares in only one way, i.e., 58155876 + 21986721 = 7626^2 + 4689^2 .

It is not a de Polignac number, because 80142597 - 2¹⁰ = 80141573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80142527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4452358 + ... + 4452375.

Almost surely, 2^80142597 is an apocalyptic number.

It is an amenable number.

80142597 is a deficient number, since it is larger than the sum of its proper divisors (35618945).

80142597 is a wasteful number, since it uses less digits than its factorization.

80142597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904739 (or 8904736 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 80142597 is about 8952.2397756092. The cubic root of 80142597 is about 431.1427993151.

The spelling of 80142597 in words is "eighty million, one hundred forty-two thousand, five hundred ninety-seven".