45432523 has 2 divisors, whose sum is σ = 45432524. Its totient is φ = 45432522.

The previous prime is 45432509. The next prime is 45432529. The reversal of 45432523 is 32523454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45432523 - 2²⁵ = 11878091 is a prime.

It is a super-3 number, since 3×45432523³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45432491 and 45432500.

It is not a weakly prime, because it can be changed into another prime (45432529) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22716261 + 22716262.

It is an arithmetic number, because the mean of its divisors is an integer number (22716262).

Almost surely, 2^45432523 is an apocalyptic number.

45432523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45432523 is an equidigital number, since it uses as much as digits as its factorization.

45432523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 28.

The square root of 45432523 is about 6740.3651978213. The cubic root of 45432523 is about 356.8252825622.

Adding to 45432523 its reverse (32523454), we get a palindrome (77955977).

The spelling of 45432523 in words is "forty-five million, four hundred thirty-two thousand, five hundred twenty-three".