481738545 has 12 divisors (see below), whose sum is σ = 835013556. Its totient is φ = 256927200.

The previous prime is 481738507. The next prime is 481738547. The reversal of 481738545 is 545837184.

It can be written as a sum of positive squares in 2 ways, for example, as 130850721 + 350887824 = 11439^2 + 18732^2 .

It is not a de Polignac number, because 481738545 - 2¹⁷ = 481607473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10705301 = 481738545 / (4 + 8 + 1 + 7 + 3 + 8 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 481738545.

It is not an unprimeable number, because it can be changed into a prime (481738547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5352606 + ... + 5352695.

It is an arithmetic number, because the mean of its divisors is an integer number (69584463).

Almost surely, 2^481738545 is an apocalyptic number.

481738545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

481738545 is a deficient number, since it is larger than the sum of its proper divisors (353275011).

481738545 is a wasteful number, since it uses less digits than its factorization.

481738545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705312 (or 10705309 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 481738545 is about 21948.5431179384. The cubic root of 481738545 is about 783.9176911239.

The spelling of 481738545 in words is "four hundred eighty-one million, seven hundred thirty-eight thousand, five hundred forty-five".