145020120 has 64 divisors (see below), whose sum is σ = 497214720. Its totient is φ = 33147264.

The previous prime is 145020101. The next prime is 145020163. The reversal of 145020120 is 21020541.

145020120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 145020120.

It is a congruent number.

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, 85482 + ... + 87161.

It is an arithmetic number, because the mean of its divisors is an integer number (7768980).

Almost surely, 2^145020120 is an apocalyptic number.

145020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145020120 is an abundant number, since it is smaller than the sum of its proper divisors (352194600).

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

145020120 is a wasteful number, since it uses less digits than its factorization.

145020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172664 (or 172660 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 145020120 is about 12042.4299873406. The cubic root of 145020120 is about 525.3830854790.

Adding to 145020120 its reverse (21020541), we get a palindrome (166040661).

The spelling of 145020120 in words is "one hundred forty-five million, twenty thousand, one hundred twenty".