45481511 has 16 divisors (see below), whose sum is σ = 50549184. Its totient is φ = 40702464.

The previous prime is 45481489. The next prime is 45481523. The reversal of 45481511 is 11518454.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45481511 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 (45481591) 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 15 ways as a sum of consecutive naturals, for example, 114365 + ... + 114761.

It is an arithmetic number, because the mean of its divisors is an integer number (3159324).

Almost surely, 2^45481511 is an apocalyptic number.

45481511 is a deficient number, since it is larger than the sum of its proper divisors (5067673).

45481511 is a wasteful number, since it uses less digits than its factorization.

45481511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its digits is 3200, while the sum is 29.

The square root of 45481511 is about 6743.9981465003. The cubic root of 45481511 is about 356.9534864481.

Adding to 45481511 its reverse (11518454), we get a palindrome (56999965).

The spelling of 45481511 in words is "forty-five million, four hundred eighty-one thousand, five hundred eleven".