45531033133 has 2 divisors, whose sum is σ = 45531033134. Its totient is φ = 45531033132.

The previous prime is 45531033109. The next prime is 45531033143. The reversal of 45531033133 is 33133013554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43747068964 + 1783964169 = 209158^2 + 42237^2 .

It is a cyclic number.

It is not a de Polignac number, because 45531033133 - 2¹⁷ = 45530902061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45531033095 and 45531033104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45531033143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765516566 + 22765516567.

It is an arithmetic number, because the mean of its divisors is an integer number (22765516567).

Almost surely, 2^45531033133 is an apocalyptic number.

It is an amenable number.

45531033133 is a deficient number, since it is larger than the sum of its proper divisors (1).

45531033133 is an equidigital number, since it uses as much as digits as its factorization.

45531033133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 45531033133 its reverse (33133013554), we get a palindrome (78664046687).

The spelling of 45531033133 in words is "forty-five billion, five hundred thirty-one million, thirty-three thousand, one hundred thirty-three".