145220300 has 18 divisors (see below), whose sum is σ = 315128268. Its totient is φ = 58088080.

The previous prime is 145220269. The next prime is 145220329. The reversal of 145220300 is 3022541.

145220300 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726002 + ... + 726201.

It is an arithmetic number, because the mean of its divisors is an integer number (17507126).

Almost surely, 2^145220300 is an apocalyptic number.

145220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145220300 is an abundant number, since it is smaller than the sum of its proper divisors (169907968).

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

145220300 is a wasteful number, since it uses less digits than its factorization.

145220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452217 (or 1452210 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 145220300 is about 12050.7385665776. The cubic root of 145220300 is about 525.6247136332.

Adding to 145220300 its reverse (3022541), we get a palindrome (148242841).

The spelling of 145220300 in words is "one hundred forty-five million, two hundred twenty thousand, three hundred".