145845812 has 12 divisors (see below), whose sum is σ = 291691680. Its totient is φ = 62505336.

The previous prime is 145845811. The next prime is 145845893. The reversal of 145845812 is 218548541.

145845812 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145845811) 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 3 ways as a sum of consecutive naturals, for example, 2604362 + ... + 2604417.

It is an arithmetic number, because the mean of its divisors is an integer number (24307640).

Almost surely, 2^145845812 is an apocalyptic number.

It is an amenable number.

145845812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145845812 is a wasteful number, since it uses less digits than its factorization.

145845812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208790 (or 5208788 counting only the distinct ones).

The product of its digits is 51200, while the sum is 38.

The square root of 145845812 is about 12076.6639433247. The cubic root of 145845812 is about 526.3783126614.

The spelling of 145845812 in words is "one hundred forty-five million, eight hundred forty-five thousand, eight hundred twelve".