145481300 has 36 divisors (see below), whose sum is σ = 316555260. Its totient is φ = 58033920.

The previous prime is 145481263. The next prime is 145481311. The reversal of 145481300 is 3184541.

145481300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1817104 + 143664196 = 1348^2 + 11986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145481300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39122 + ... + 42678.

Almost surely, 2^145481300 is an apocalyptic number.

145481300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145481300 is an abundant number, since it is smaller than the sum of its proper divisors (171073960).

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

145481300 is a wasteful number, since it uses less digits than its factorization.

145481300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980 (or 3973 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 145481300 is about 12061.5629169689. The cubic root of 145481300 is about 525.9394215730.

The spelling of 145481300 in words is "one hundred forty-five million, four hundred eighty-one thousand, three hundred".