80207146 has 4 divisors (see below), whose sum is σ = 120310722. Its totient is φ = 40103572.

The previous prime is 80207143. The next prime is 80207161. The reversal of 80207146 is 64170208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 3381921 = 8765^2 + 1839^2 .

It is not an unprimeable number, because it can be changed into a prime (80207143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051785 + ... + 20051788.

Almost surely, 2^80207146 is an apocalyptic number.

80207146 is a deficient number, since it is larger than the sum of its proper divisors (40103576).

80207146 is a wasteful number, since it uses less digits than its factorization.

80207146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40103575.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 80207146 is about 8955.8442371448. The cubic root of 80207146 is about 431.2585195824.

The spelling of 80207146 in words is "eighty million, two hundred seven thousand, one hundred forty-six".