45030120 has 32 divisors (see below), whose sum is σ = 135090720. Its totient is φ = 12008000.

The previous prime is 45030109. The next prime is 45030131. The reversal of 45030120 is 2103054.

It is an interprime number because it is at equal distance from previous prime (45030109) and next prime (45030131).

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 45030120.

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, 187506 + ... + 187745.

It is an arithmetic number, because the mean of its divisors is an integer number (4221585).

Almost surely, 2^45030120 is an apocalyptic number.

45030120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45030120 is an abundant number, since it is smaller than the sum of its proper divisors (90060600).

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

45030120 is a wasteful number, since it uses less digits than its factorization.

45030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375265 (or 375261 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 45030120 is about 6710.4485692091. The cubic root of 45030120 is about 355.7686709916.

Adding to 45030120 its reverse (2103054), we get a palindrome (47133174).

It can be divided in two parts, 45030 and 120, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 45030120 in words is "forty-five million, thirty thousand, one hundred twenty".