481745145 has 32 divisors (see below), whose sum is σ = 881786880. Its totient is φ = 220006080.

The previous prime is 481745123. The next prime is 481745191. The reversal of 481745145 is 541547184.

It is not a de Polignac number, because 481745145 - 2⁵ = 481745113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152896 + ... + 156014.

It is an arithmetic number, because the mean of its divisors is an integer number (27555840).

Almost surely, 2^481745145 is an apocalyptic number.

It is an amenable number.

481745145 is a deficient number, since it is larger than the sum of its proper divisors (400041735).

481745145 is a wasteful number, since it uses less digits than its factorization.

481745145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605.

The product of its digits is 89600, while the sum is 39.

The square root of 481745145 is about 21948.6934690883. The cubic root of 481745145 is about 783.9212710970.

The spelling of 481745145 in words is "four hundred eighty-one million, seven hundred forty-five thousand, one hundred forty-five".