145533000 has 128 divisors (see below), whose sum is σ = 458640000. Its totient is φ = 38419200.

The previous prime is 145532993. The next prime is 145533053. The reversal of 145533000 is 335541.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416826 + ... + 417174.

It is an arithmetic number, because the mean of its divisors is an integer number (3583125).

Almost surely, 2^145533000 is an apocalyptic number.

145533000 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 145533000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229320000).

145533000 is an abundant number, since it is smaller than the sum of its proper divisors (313107000).

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

145533000 is a wasteful number, since it uses less digits than its factorization.

145533000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 145533000 is about 12063.7058982719. The cubic root of 145533000 is about 526.0017155992.

Adding to 145533000 its reverse (335541), we get a palindrome (145868541).

The spelling of 145533000 in words is "one hundred forty-five million, five hundred thirty-three thousand".