145452981200 has 30 divisors (see below), whose sum is σ = 349450788294. Its totient is φ = 58181192320.

The previous prime is 145452981137. The next prime is 145452981217. The reversal of 145452981200 is 2189254541.

145452981200 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 3 ways, for example, as 26574216256 + 118878764944 = 163016^2 + 344788^2 .

It is a congruent number.

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, 181815827 + ... + 181816626.

Almost surely, 2^145452981200 is an apocalyptic number.

145452981200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145452981200 is an abundant number, since it is smaller than the sum of its proper divisors (203997807094).

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

145452981200 is a wasteful number, since it uses less digits than its factorization.

145452981200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363632471 (or 363632460 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 145452981200 in words is "one hundred forty-five billion, four hundred fifty-two million, nine hundred eighty-one thousand, two hundred".