145112020 has 24 divisors (see below), whose sum is σ = 306087264. Its totient is φ = 57787296.

The previous prime is 145112003. The next prime is 145112041. The reversal of 145112020 is 20211541.

145112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145111985 and 145112003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11442 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (12753636).

Almost surely, 2^145112020 is an apocalyptic number.

145112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145112020 is an abundant number, since it is smaller than the sum of its proper divisors (160975244).

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

145112020 is a wasteful number, since it uses less digits than its factorization.

145112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32199 (or 32197 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 145112020 is about 12046.2450581084. The cubic root of 145112020 is about 525.4940413706.

Adding to 145112020 its reverse (20211541), we get a palindrome (165323561).

The spelling of 145112020 in words is "one hundred forty-five million, one hundred twelve thousand, twenty".