145443700 has 36 divisors (see below), whose sum is σ = 326502540. Its totient is φ = 56170240.

The previous prime is 145443691. The next prime is 145443719. The reversal of 145443700 is 7344541.

145443700 is digitally balanced in base 2, 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 1971216 + 143472484 = 1404^2 + 11978^2 .

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, 22177 + ... + 27976.

It is an arithmetic number, because the mean of its divisors is an integer number (9069515).

Almost surely, 2^145443700 is an apocalyptic number.

145443700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145443700 is an abundant number, since it is smaller than the sum of its proper divisors (181058840).

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

145443700 is a wasteful number, since it uses less digits than its factorization.

145443700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50196 (or 50189 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 145443700 is about 12060.0041459363. The cubic root of 145443700 is about 525.8941075563.

It can be divided in two parts, 1454 and 43700, that added together give a palindrome (45154).

The spelling of 145443700 in words is "one hundred forty-five million, four hundred forty-three thousand, seven hundred".