145025230 has 64 divisors (see below), whose sum is σ = 311040000. Its totient is φ = 47634048.

The previous prime is 145025227. The next prime is 145025273. The reversal of 145025230 is 32520541.

It is a congruent number.

It is an unprimeable number.

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, 403791 + ... + 404149.

It is an arithmetic number, because the mean of its divisors is an integer number (4860000).

Almost surely, 2^145025230 is an apocalyptic number.

145025230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145025230 is an abundant number, since it is smaller than the sum of its proper divisors (166014770).

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

145025230 is a wasteful number, since it uses less digits than its factorization.

145025230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 145025230 is about 12042.6421519532. The cubic root of 145025230 is about 525.3892562918.

Adding to 145025230 its reverse (32520541), we get a palindrome (177545771).

The spelling of 145025230 in words is "one hundred forty-five million, twenty-five thousand, two hundred thirty".