145804120 has 64 divisors (see below), whose sum is σ = 409017600. Its totient is φ = 45444480.

The previous prime is 145804103. The next prime is 145804133. The reversal of 145804120 is 21408541.

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, 20590 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (6390900).

Almost surely, 2^145804120 is an apocalyptic number.

145804120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145804120 is an abundant number, since it is smaller than the sum of its proper divisors (263213480).

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

145804120 is a wasteful number, since it uses less digits than its factorization.

145804120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47368 (or 47364 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 145804120 is about 12074.9376809986. The cubic root of 145804120 is about 526.3281504255.

It can be divided in two parts, 145804 and 120, that added together give a square (145924 = 382²).

The spelling of 145804120 in words is "one hundred forty-five million, eight hundred four thousand, one hundred twenty".