45515497 has 4 divisors (see below), whose sum is σ = 45529300. Its totient is φ = 45501696.

The previous prime is 45515461. The next prime is 45515531. The reversal of 45515497 is 79451554.

45515497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16128256 + 29387241 = 4016^2 + 5421^2 .

It is a cyclic number.

It is not a de Polignac number, because 45515497 - 2⁷ = 45515369 is a prime.

It is a super-3 number, since 3×45515497³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45515417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273 + ... + 9625.

It is an arithmetic number, because the mean of its divisors is an integer number (11382325).

Almost surely, 2^45515497 is an apocalyptic number.

It is an amenable number.

45515497 is a deficient number, since it is larger than the sum of its proper divisors (13803).

45515497 is an equidigital number, since it uses as much as digits as its factorization.

45515497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802.

The product of its digits is 126000, while the sum is 40.

The square root of 45515497 is about 6746.5173978876. The cubic root of 45515497 is about 357.0423753208.

The spelling of 45515497 in words is "forty-five million, five hundred fifteen thousand, four hundred ninety-seven".