145130530 has 32 divisors (see below), whose sum is σ = 285534720. Its totient is φ = 52872960.

The previous prime is 145130507. The next prime is 145130537. The reversal of 145130530 is 35031541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145130537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8500 + ... + 19039.

It is an arithmetic number, because the mean of its divisors is an integer number (8922960).

Almost surely, 2^145130530 is an apocalyptic number.

145130530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145130530 is a deficient number, since it is larger than the sum of its proper divisors (140404190).

145130530 is a wasteful number, since it uses less digits than its factorization.

145130530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27594.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 145130530 is about 12047.0133228116. The cubic root of 145130530 is about 525.5163838367.

The spelling of 145130530 in words is "one hundred forty-five million, one hundred thirty thousand, five hundred thirty".