145130000 has 100 divisors (see below), whose sum is σ = 367232448. Its totient is φ = 55440000.

The previous prime is 145129997. The next prime is 145130047. The reversal of 145130000 is 31541.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 229685 + ... + 230315.

Almost surely, 2^145130000 is an apocalyptic number.

145130000 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 145130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183616224).

145130000 is an abundant number, since it is smaller than the sum of its proper divisors (222102448).

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

145130000 is an equidigital number, since it uses as much as digits as its factorization.

145130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 145130000 is about 12046.9913256381. The cubic root of 145130000 is about 525.5157441275.

Adding to 145130000 its reverse (31541), we get a palindrome (145161541).

The spelling of 145130000 in words is "one hundred forty-five million, one hundred thirty thousand".