481731945 has 16 divisors (see below), whose sum is σ = 783408192. Its totient is φ = 252711360.

The previous prime is 481731911. The next prime is 481731953. The reversal of 481731945 is 549137184.

It is a happy number.

It is not a de Polignac number, because 481731945 - 2¹⁵ = 481699177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 481731897 and 481731906.

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, 262327 + ... + 264156.

It is an arithmetic number, because the mean of its divisors is an integer number (48963012).

Almost surely, 2^481731945 is an apocalyptic number.

It is an amenable number.

481731945 is a deficient number, since it is larger than the sum of its proper divisors (301676247).

481731945 is a wasteful number, since it uses less digits than its factorization.

481731945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526552.

The product of its digits is 120960, while the sum is 42.

The square root of 481731945 is about 21948.3927657585. The cubic root of 481731945 is about 783.9141111181.

The spelling of 481731945 in words is "four hundred eighty-one million, seven hundred thirty-one thousand, nine hundred forty-five".