80142995 has 8 divisors (see below), whose sum is σ = 97124400. Its totient is φ = 63479200.

The previous prime is 80142991. The next prime is 80143001. The reversal of 80142995 is 59924108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80142995 - 2² = 80142991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80142991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78845 + ... + 79854.

It is an arithmetic number, because the mean of its divisors is an integer number (12140550).

Almost surely, 2^80142995 is an apocalyptic number.

80142995 is a deficient number, since it is larger than the sum of its proper divisors (16981405).

80142995 is a wasteful number, since it uses less digits than its factorization.

80142995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158805.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 80142995 is about 8952.2620046556. The cubic root of 80142995 is about 431.1435130202.

The spelling of 80142995 in words is "eighty million, one hundred forty-two thousand, nine hundred ninety-five".