145000812 has 48 divisors (see below), whose sum is σ = 381830400. Its totient is φ = 42423360.

The previous prime is 145000771. The next prime is 145000813. The reversal of 145000812 is 218000541.

It is not an unprimeable number, because it can be changed into a prime (145000813) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 15112 + ... + 22767.

It is an arithmetic number, because the mean of its divisors is an integer number (7954800).

Almost surely, 2^145000812 is an apocalyptic number.

145000812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145000812 is an abundant number, since it is smaller than the sum of its proper divisors (236829588).

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

145000812 is a wasteful number, since it uses less digits than its factorization.

145000812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37926 (or 37924 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 145000812 is about 12041.6282952099. The cubic root of 145000812 is about 525.3597679172.

The spelling of 145000812 in words is "one hundred forty-five million, eight hundred twelve", and thus it is an aban number.