145856828 has 12 divisors (see below), whose sum is σ = 274884120. Its totient is φ = 67318512.

The previous prime is 145856783. The next prime is 145856873. The reversal of 145856828 is 828658541.

It is an interprime number because it is at equal distance from previous prime (145856783) and next prime (145856873).

It is a congruent number.

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, 1402418 + ... + 1402521.

It is an arithmetic number, because the mean of its divisors is an integer number (22907010).

Almost surely, 2^145856828 is an apocalyptic number.

It is an amenable number.

145856828 is a deficient number, since it is larger than the sum of its proper divisors (129027292).

145856828 is a wasteful number, since it uses less digits than its factorization.

145856828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804956 (or 2804954 counting only the distinct ones).

The product of its digits is 614400, while the sum is 47.

The square root of 145856828 is about 12077.1200209321. The cubic root of 145856828 is about 526.3915650989.

The spelling of 145856828 in words is "one hundred forty-five million, eight hundred fifty-six thousand, eight hundred twenty-eight".