145023130020 has 48 divisors (see below), whose sum is σ = 407057656320. Its totient is φ = 38578273536.

The previous prime is 145023129997. The next prime is 145023130039. The reversal of 145023130020 is 20031320541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2930292 + ... + 2979371.

It is an arithmetic number, because the mean of its divisors is an integer number (8480367840).

Almost surely, 2^145023130020 is an apocalyptic number.

145023130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145023130020 is an abundant number, since it is smaller than the sum of its proper divisors (262034526300).

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

145023130020 is a wasteful number, since it uses less digits than its factorization.

145023130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910084 (or 5910082 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 145023130020 its reverse (20031320541), we get a palindrome (165054450561).

The spelling of 145023130020 in words is "one hundred forty-five billion, twenty-three million, one hundred thirty thousand, twenty".