145006500 has 48 divisors (see below), whose sum is σ = 422263296. Its totient is φ = 38668000.

The previous prime is 145006489. The next prime is 145006501. The reversal of 145006500 is 5600541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145006501) 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 15 ways as a sum of consecutive naturals, for example, 46836 + ... + 49835.

It is an arithmetic number, because the mean of its divisors is an integer number (8797152).

Almost surely, 2^145006500 is an apocalyptic number.

145006500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145006500 is an abundant number, since it is smaller than the sum of its proper divisors (277256796).

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

145006500 is a wasteful number, since it uses less digits than its factorization.

145006500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96693 (or 96681 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145006500 is about 12041.8644735772. The cubic root of 145006500 is about 525.3666373208.

The spelling of 145006500 in words is "one hundred forty-five million, six thousand, five hundred".