145502130 has 64 divisors (see below), whose sum is σ = 366405120. Its totient is φ = 36935424.

The previous prime is 145502111. The next prime is 145502143. The reversal of 145502130 is 31205541.

145502130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145502097 and 145502106.

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, 50776 + ... + 53564.

It is an arithmetic number, because the mean of its divisors is an integer number (5725080).

Almost surely, 2^145502130 is an apocalyptic number.

145502130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145502130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183202560).

145502130 is an abundant number, since it is smaller than the sum of its proper divisors (220902990).

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

145502130 is a wasteful number, since it uses less digits than its factorization.

145502130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145502130 is about 12062.4263728323. The cubic root of 145502130 is about 525.9645216954.

Adding to 145502130 its reverse (31205541), we get a palindrome (176707671).

The spelling of 145502130 in words is "one hundred forty-five million, five hundred two thousand, one hundred thirty".