45515233 has 2 divisors, whose sum is σ = 45515234. Its totient is φ = 45515232.

The previous prime is 45515219. The next prime is 45515243. The reversal of 45515233 is 33251554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 6290064 = 6263^2 + 2508^2 .

It is a cyclic number.

It is not a de Polignac number, because 45515233 - 2⁵ = 45515201 is a prime.

It is not a weakly prime, because it can be changed into another prime (45515243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22757616 + 22757617.

It is an arithmetic number, because the mean of its divisors is an integer number (22757617).

Almost surely, 2^45515233 is an apocalyptic number.

It is an amenable number.

45515233 is a deficient number, since it is larger than the sum of its proper divisors (1).

45515233 is an equidigital number, since it uses as much as digits as its factorization.

45515233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 28.

The square root of 45515233 is about 6746.4978322089. The cubic root of 45515233 is about 357.0416850110.

Adding to 45515233 its reverse (33251554), we get a palindrome (78766787).

The spelling of 45515233 in words is "forty-five million, five hundred fifteen thousand, two hundred thirty-three".