145933500 has 96 divisors (see below), whose sum is σ = 427714560. Its totient is φ = 38664000.

The previous prime is 145933499. The next prime is 145933507. The reversal of 145933500 is 5339541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145933507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406321 + ... + 406679.

It is an arithmetic number, because the mean of its divisors is an integer number (4455360).

Almost surely, 2^145933500 is an apocalyptic number.

145933500 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 145933500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213857280).

145933500 is an abundant number, since it is smaller than the sum of its proper divisors (281781060).

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

145933500 is a wasteful number, since it uses less digits than its factorization.

145933500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 145933500 is about 12080.2938705977. The cubic root of 145933500 is about 526.4837843544.

The spelling of 145933500 in words is "one hundred forty-five million, nine hundred thirty-three thousand, five hundred".