45537469 has 2 divisors, whose sum is σ = 45537470. Its totient is φ = 45537468.

The previous prime is 45537467. The next prime is 45537497. The reversal of 45537469 is 96473554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 8631844 = 6075^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 45537469 - 2¹ = 45537467 is a prime.

It is a super-2 number, since 2×45537469² = 4147322165851922, which contains 22 as substring.

Together with 45537467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45537461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22768734 + 22768735.

It is an arithmetic number, because the mean of its divisors is an integer number (22768735).

Almost surely, 2^45537469 is an apocalyptic number.

It is an amenable number.

45537469 is a deficient number, since it is larger than the sum of its proper divisors (1).

45537469 is an equidigital number, since it uses as much as digits as its factorization.

45537469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The square root of 45537469 is about 6748.1455971252. The cubic root of 45537469 is about 357.0998185623.

The spelling of 45537469 in words is "forty-five million, five hundred thirty-seven thousand, four hundred sixty-nine".