808452146 has 16 divisors (see below), whose sum is σ = 1251797976. Its totient is φ = 391297536.

The previous prime is 808452143. The next prime is 808452149. The reversal of 808452146 is 641254808.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (808452143) and next prime (808452149).

It can be written as a sum of positive squares in 4 ways, for example, as 769452121 + 39000025 = 27739^2 + 6245^2 .

It is not an unprimeable number, because it can be changed into a prime (808452143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151 + ... + 42306.

Almost surely, 2^808452146 is an apocalyptic number.

808452146 is a deficient number, since it is larger than the sum of its proper divisors (443345830).

808452146 is a wasteful number, since it uses less digits than its factorization.

808452146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55693.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 808452146 is about 28433.2929151725. The cubic root of 808452146 is about 931.5756025161.

The spelling of 808452146 in words is "eight hundred eight million, four hundred fifty-two thousand, one hundred forty-six".