145784612 has 12 divisors (see below), whose sum is σ = 257649756. Its totient is φ = 72170400.

The previous prime is 145784579. The next prime is 145784627. The reversal of 145784612 is 216487541.

145784612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140327716 + 5456896 = 11846^2 + 2336^2 .

It is an unprimeable number.

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, 180023 + ... + 180830.

It is an arithmetic number, because the mean of its divisors is an integer number (21470813).

Almost surely, 2^145784612 is an apocalyptic number.

It is an amenable number.

145784612 is a deficient number, since it is larger than the sum of its proper divisors (111865144).

145784612 is a wasteful number, since it uses less digits than its factorization.

145784612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360958 (or 360956 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 145784612 is about 12074.1298651290. The cubic root of 145784612 is about 526.3046758545.

The spelling of 145784612 in words is "one hundred forty-five million, seven hundred eighty-four thousand, six hundred twelve".