45481069 has 8 divisors (see below), whose sum is σ = 48654648. Its totient is φ = 42362880.

The previous prime is 45481063. The next prime is 45481081. The reversal of 45481069 is 96018454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26904969 + 18576100 = 5187^2 + 4310^2 .

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 45481069 - 2¹⁹ = 44956781 is a prime.

It is a super-2 number, since 2×45481069² = 4137055274765522, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12142 + ... + 15439.

It is an arithmetic number, because the mean of its divisors is an integer number (6081831).

Almost surely, 2^45481069 is an apocalyptic number.

It is an amenable number.

45481069 is a deficient number, since it is larger than the sum of its proper divisors (3173579).

45481069 is a wasteful number, since it uses less digits than its factorization.

45481069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27695.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 45481069 is about 6743.9653765422. The cubic root of 45481069 is about 356.9523301251.

The spelling of 45481069 in words is "forty-five million, four hundred eighty-one thousand, sixty-nine".