481394745 has 40 divisors (see below), whose sum is σ = 929335176. Its totient is φ = 236991744.

The previous prime is 481394741. The next prime is 481394759. The reversal of 481394745 is 547493184.

481394745 is a `hidden beast` number, since 48 + 139 + 474 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3884841 + 477509904 = 1971^2 + 21852^2 .

It is not a de Polignac number, because 481394745 - 2² = 481394741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 481394745.

It is not an unprimeable number, because it can be changed into a prime (481394741) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40452 + ... + 50981.

Almost surely, 2^481394745 is an apocalyptic number.

481394745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

481394745 is a deficient number, since it is larger than the sum of its proper divisors (447940431).

481394745 is a wasteful number, since it uses less digits than its factorization.

481394745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91463 (or 91454 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 481394745 is about 21940.7097651831. The cubic root of 481394745 is about 783.7311618375.

The spelling of 481394745 in words is "four hundred eighty-one million, three hundred ninety-four thousand, seven hundred forty-five".