181483480 has 16 divisors (see below), whose sum is σ = 408337920. Its totient is φ = 72593376.

The previous prime is 181483399. The next prime is 181483487. The reversal of 181483480 is 84384181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181483487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2268504 + ... + 2268583.

It is an arithmetic number, because the mean of its divisors is an integer number (25521120).

Almost surely, 2^181483480 is an apocalyptic number.

181483480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

181483480 is an abundant number, since it is smaller than the sum of its proper divisors (226854440).

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

181483480 is a wasteful number, since it uses less digits than its factorization.

181483480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537098 (or 4537094 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 181483480 is about 13471.5804566502. The cubic root of 181483480 is about 566.1684956607.

The spelling of 181483480 in words is "one hundred eighty-one million, four hundred eighty-three thousand, four hundred eighty".