45481013 has 8 divisors (see below), whose sum is σ = 47022360. Its totient is φ = 43960320.

The previous prime is 45480997. The next prime is 45481063. The reversal of 45481013 is 31018454.

It can be written as a sum of positive squares in 4 ways, for example, as 3775249 + 41705764 = 1943^2 + 6458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45481013 - 2⁴ = 45480997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45481063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (5877795).

Almost surely, 2^45481013 is an apocalyptic number.

It is an amenable number.

45481013 is a deficient number, since it is larger than the sum of its proper divisors (1541347).

45481013 is a wasteful number, since it uses less digits than its factorization.

45481013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 45481013 is about 6743.9612246809. The cubic root of 45481013 is about 356.9521836221.

Adding to 45481013 its reverse (31018454), we get a palindrome (76499467).

The spelling of 45481013 in words is "forty-five million, four hundred eighty-one thousand, thirteen".