145206300 has 72 divisors (see below), whose sum is σ = 423316656. Its totient is φ = 38428160.

The previous prime is 145206293. The next prime is 145206301. The reversal of 145206300 is 3602541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145206301) 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 23 ways as a sum of consecutive naturals, for example, 39334 + ... + 42866.

It is an arithmetic number, because the mean of its divisors is an integer number (5879398).

Almost surely, 2^145206300 is an apocalyptic number.

145206300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145206300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211658328).

145206300 is an abundant number, since it is smaller than the sum of its proper divisors (278110356).

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

145206300 is a wasteful number, since it uses less digits than its factorization.

145206300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 145206300 is about 12050.1576753169. The cubic root of 145206300 is about 525.6078220956.

Adding to 145206300 its reverse (3602541), we get a palindrome (148808841).

The spelling of 145206300 in words is "one hundred forty-five million, two hundred six thousand, three hundred".