145082500 has 60 divisors (see below), whose sum is σ = 320409936. Its totient is φ = 57460000.

The previous prime is 145082491. The next prime is 145082507. The reversal of 145082500 is 5280541.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (145082507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 327279 + ... + 327721.

Almost surely, 2^145082500 is an apocalyptic number.

145082500 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 145082500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160204968).

145082500 is an abundant number, since it is smaller than the sum of its proper divisors (175327436).

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

145082500 is a wasteful number, since it uses less digits than its factorization.

145082500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 145082500 is about 12045.0197177091. The cubic root of 145082500 is about 525.4584053700.

The spelling of 145082500 in words is "one hundred forty-five million, eighty-two thousand, five hundred".