145455532200 has 576 divisors, whose sum is σ = 549804453120. Its totient is φ = 34152192000.

The previous prime is 145455532169. The next prime is 145455532219. The reversal of 145455532200 is 2235554541.

145455532200 is a `hidden beast` number, since 1 + 4 + 54 + 55 + 532 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 268863930 + ... + 268864470.

It is an arithmetic number, because the mean of its divisors is an integer number (954521620).

Almost surely, 2^145455532200 is an apocalyptic number.

145455532200 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 145455532200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274902226560).

145455532200 is an abundant number, since it is smaller than the sum of its proper divisors (404348920920).

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

145455532200 is a wasteful number, since it uses less digits than its factorization.

145455532200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 145455532200 in words is "one hundred forty-five billion, four hundred fifty-five million, five hundred thirty-two thousand, two hundred".