80630146 has 4 divisors (see below), whose sum is σ = 120945222. Its totient is φ = 40315072.

The previous prime is 80630131. The next prime is 80630153. The reversal of 80630146 is 64103608.

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., 80299521 + 330625 = 8961^2 + 575^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20157535 + ... + 20157538.

Almost surely, 2^80630146 is an apocalyptic number.

80630146 is a deficient number, since it is larger than the sum of its proper divisors (40315076).

80630146 is a wasteful number, since it uses less digits than its factorization.

80630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40315075.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80630146 is about 8979.4290464372. The cubic root of 80630146 is about 432.0153208158.

The spelling of 80630146 in words is "eighty million, six hundred thirty thousand, one hundred forty-six".