80195245 has 16 divisors (see below), whose sum is σ = 105062832. Its totient is φ = 58406400.

The previous prime is 80195231. The next prime is 80195249. The reversal of 80195245 is 54259108.

It can be written as a sum of positive squares in 8 ways, for example, as 1855044 + 78340201 = 1362^2 + 8851^2 .

It is not a de Polignac number, because 80195245 - 2¹³ = 80187053 is a prime.

It is a super-2 number, since 2×80195245² = 12862554641220050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80195245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80195249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706 + ... + 13195.

It is an arithmetic number, because the mean of its divisors is an integer number (6566427).

Almost surely, 2^80195245 is an apocalyptic number.

It is an amenable number.

80195245 is a deficient number, since it is larger than the sum of its proper divisors (24867587).

80195245 is a wasteful number, since it uses less digits than its factorization.

80195245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16992.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 80195245 is about 8955.1797860233. The cubic root of 80195245 is about 431.2371887253.

The spelling of 80195245 in words is "eighty million, one hundred ninety-five thousand, two hundred forty-five".